Finding the Fourth Proportional to 91,016,028.27, 136,621,196.91 and 39,226,189.68

Step by Step Solution

1. Step 1: Write the proportion equation
   91,016,028.27 : 136,621,196.91 = 39,226,189.68 : x
2. Step 2: Convert to fraction form
   91,016,028.27/136,621,196.91 = 39,226,189.68/x
3. Step 3: Cross multiply
   91,016,028.27x = 136,621,196.91 × 39,226,189.68
4. Step 4: Simplify right side
   91,016,028.27x = 5,359,128,984,300,290
5. Step 5: Solve for x
   x = 5,359,128,984,300,290/91,016,028.27
6. Step 6: Final answer
   x = 58,881,156.28