Finding the Fourth Proportional to 64,409.73, 88,854.82 and 42,909.47

Step by Step Solution

1. Step 1: Write the proportion equation
   64,409.73 : 88,854.82 = 42,909.47 : x
2. Step 2: Convert to fraction form
   64,409.73/88,854.82 = 42,909.47/x
3. Step 3: Cross multiply
   64,409.73x = 88,854.82 × 42,909.47
4. Step 4: Simplify right side
   64,409.73x = 3,812,712,574.32
5. Step 5: Solve for x
   x = 3,812,712,574.32/64,409.73
6. Step 6: Final answer
   x = 59,194.67