Finding the Fourth Proportional to 113,503,031.16, 156,470,252.38 and 80,851,296.12

Step by Step Solution

1. Step 1: Write the proportion equation
   113,503,031.16 : 156,470,252.38 = 80,851,296.12 : x
2. Step 2: Convert to fraction form
   113,503,031.16/156,470,252.38 = 80,851,296.12/x
3. Step 3: Cross multiply
   113,503,031.16x = 156,470,252.38 × 80,851,296.12
4. Step 4: Simplify right side
   113,503,031.16x = 12,650,822,709,146,516
5. Step 5: Solve for x
   x = 12,650,822,709,146,516/113,503,031.16
6. Step 6: Final answer
   x = 111,458,016.41