Finding the Fourth Proportional to 89,718.72, 134,425.04 and 63,372.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,718.72 : 134,425.04 = 63,372.72 : x
2. Step 2: Convert to fraction form
   89,718.72/134,425.04 = 63,372.72/x
3. Step 3: Cross multiply
   89,718.72x = 134,425.04 × 63,372.72
4. Step 4: Simplify right side
   89,718.72x = 8,518,880,420.91
5. Step 5: Solve for x
   x = 8,518,880,420.91/89,718.72
6. Step 6: Final answer
   x = 94,950.98