Finding the Fourth Proportional to 51,564,510,507.33, 77,346,747,556.18 and 13,790,104,081.59

Step by Step Solution

1. Step 1: Write the proportion equation
   51,564,510,507.33 : 77,346,747,556.18 = 13,790,104,081.59 : x
2. Step 2: Convert to fraction form
   51,564,510,507.33/77,346,747,556.18 = 13,790,104,081.59/x
3. Step 3: Cross multiply
   51,564,510,507.33x = 77,346,747,556.18 × 13,790,104,081.59
4. Step 4: Simplify right side
   51,564,510,507.33x = 1,066,619,699,172,189,143,040
5. Step 5: Solve for x
   x = 1,066,619,699,172,189,143,040/51,564,510,507.33
6. Step 6: Final answer
   x = 20,685,151,253.80