Finding the Fourth Proportional to 111,864.52, 154,350.66 and 64,132.84

Step by Step Solution

1. Step 1: Write the proportion equation
   111,864.52 : 154,350.66 = 64,132.84 : x
2. Step 2: Convert to fraction form
   111,864.52/154,350.66 = 64,132.84/x
3. Step 3: Cross multiply
   111,864.52x = 154,350.66 × 64,132.84
4. Step 4: Simplify right side
   111,864.52x = 9,898,946,181.67
5. Step 5: Solve for x
   x = 9,898,946,181.67/111,864.52
6. Step 6: Final answer
   x = 88,490.49