Finding the Fourth Proportional to 111,354.89, 153,468.95 and 81,092.27

Step by Step Solution

1. Step 1: Write the proportion equation
   111,354.89 : 153,468.95 = 81,092.27 : x
2. Step 2: Convert to fraction form
   111,354.89/153,468.95 = 81,092.27/x
3. Step 3: Cross multiply
   111,354.89x = 153,468.95 × 81,092.27
4. Step 4: Simplify right side
   111,354.89x = 12,445,145,508.23
5. Step 5: Solve for x
   x = 12,445,145,508.23/111,354.89
6. Step 6: Final answer
   x = 111,761.11