Finding the Fourth Proportional to 113,589,105.20, 156,765,419.52 and 65,914,861.22

Step by Step Solution

1. Step 1: Write the proportion equation
   113,589,105.20 : 156,765,419.52 = 65,914,861.22 : x
2. Step 2: Convert to fraction form
   113,589,105.20/156,765,419.52 = 65,914,861.22/x
3. Step 3: Cross multiply
   113,589,105.20x = 156,765,419.52 × 65,914,861.22
4. Step 4: Simplify right side
   113,589,105.20x = 10,333,170,871,755,880
5. Step 5: Solve for x
   x = 10,333,170,871,755,880/113,589,105.20
6. Step 6: Final answer
   x = 90,969,735.64