Finding the Fourth Proportional to 111,355.89, 153,470.32 and 81,093.27

Step by Step Solution

1. Step 1: Write the proportion equation
   111,355.89 : 153,470.32 = 81,093.27 : x
2. Step 2: Convert to fraction form
   111,355.89/153,470.32 = 81,093.27/x
3. Step 3: Cross multiply
   111,355.89x = 153,470.32 × 81,093.27
4. Step 4: Simplify right side
   111,355.89x = 12,445,410,096.75
5. Step 5: Solve for x
   x = 12,445,410,096.75/111,355.89
6. Step 6: Final answer
   x = 111,762.48