Finding the Fourth Proportional to 64,372.98, 88,865.81 and 42,898.47

Step by Step Solution

1. Step 1: Write the proportion equation
   64,372.98 : 88,865.81 = 42,898.47 : x
2. Step 2: Convert to fraction form
   64,372.98/88,865.81 = 42,898.47/x
3. Step 3: Cross multiply
   64,372.98x = 88,865.81 × 42,898.47
4. Step 4: Simplify right side
   64,372.98x = 3,812,207,284.31
5. Step 5: Solve for x
   x = 3,812,207,284.31/64,372.98
6. Step 6: Final answer
   x = 59,220.61