Finding the Fourth Proportional to 111,541.65, 153,905.83 and 63,784.86

Step by Step Solution

1. Step 1: Write the proportion equation
   111,541.65 : 153,905.83 = 63,784.86 : x
2. Step 2: Convert to fraction form
   111,541.65/153,905.83 = 63,784.86/x
3. Step 3: Cross multiply
   111,541.65x = 153,905.83 × 63,784.86
4. Step 4: Simplify right side
   111,541.65x = 9,816,861,819.73
5. Step 5: Solve for x
   x = 9,816,861,819.73/111,541.65
6. Step 6: Final answer
   x = 88,010.73