Finding the Fourth Proportional to 103,572.73, 142,950.00 and 64,828.52

Step by Step Solution

1. Step 1: Write the proportion equation
   103,572.73 : 142,950.00 = 64,828.52 : x
2. Step 2: Convert to fraction form
   103,572.73/142,950.00 = 64,828.52/x
3. Step 3: Cross multiply
   103,572.73x = 142,950.00 × 64,828.52
4. Step 4: Simplify right side
   103,572.73x = 9,267,236,853.48
5. Step 5: Solve for x
   x = 9,267,236,853.48/103,572.73
6. Step 6: Final answer
   x = 89,475.65