Finding the Fourth Proportional to 99,248.72, 148,789.38 and 43,046.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,248.72 : 148,789.38 = 43,046.50 : x
2. Step 2: Convert to fraction form
   99,248.72/148,789.38 = 43,046.50/x
3. Step 3: Cross multiply
   99,248.72x = 148,789.38 × 43,046.50
4. Step 4: Simplify right side
   99,248.72x = 6,404,861,194.61
5. Step 5: Solve for x
   x = 6,404,861,194.61/99,248.72
6. Step 6: Final answer
   x = 64,533.44