Finding the Fourth Proportional to 113,057,401.30, 169,441,646.59 and 91,208,084.26

Step by Step Solution

1. Step 1: Write the proportion equation
   113,057,401.30 : 169,441,646.59 = 91,208,084.26 : x
2. Step 2: Convert to fraction form
   113,057,401.30/169,441,646.59 = 91,208,084.26/x
3. Step 3: Cross multiply
   113,057,401.30x = 169,441,646.59 × 91,208,084.26
4. Step 4: Simplify right side
   113,057,401.30x = 15,454,447,978,682,236
5. Step 5: Solve for x
   x = 15,454,447,978,682,236/113,057,401.30
6. Step 6: Final answer
   x = 136,695,588.27