Finding the Fourth Proportional to 113,086,290.02, 156,065,746.37 and 85,159,729.76

Step by Step Solution

1. Step 1: Write the proportion equation
   113,086,290.02 : 156,065,746.37 = 85,159,729.76 : x
2. Step 2: Convert to fraction form
   113,086,290.02/156,065,746.37 = 85,159,729.76/x
3. Step 3: Cross multiply
   113,086,290.02x = 156,065,746.37 × 85,159,729.76
4. Step 4: Simplify right side
   113,086,290.02x = 13,290,516,784,455,774
5. Step 5: Solve for x
   x = 13,290,516,784,455,774/113,086,290.02
6. Step 6: Final answer
   x = 117,525,447.01