Finding the Fourth Proportional to 116,140,914.81, 160,278,691.55 and 63,215,066.19

Step by Step Solution

1. Step 1: Write the proportion equation
   116,140,914.81 : 160,278,691.55 = 63,215,066.19 : x
2. Step 2: Convert to fraction form
   116,140,914.81/160,278,691.55 = 63,215,066.19/x
3. Step 3: Cross multiply
   116,140,914.81x = 160,278,691.55 × 63,215,066.19
4. Step 4: Simplify right side
   116,140,914.81x = 10,132,028,095,548,436
5. Step 5: Solve for x
   x = 10,132,028,095,548,436/116,140,914.81
6. Step 6: Final answer
   x = 87,239,093.23