Finding the Fourth Proportional to 67,989.16, 93,492.30 and 59,020.98

Step by Step Solution

1. Step 1: Write the proportion equation
   67,989.16 : 93,492.30 = 59,020.98 : x
2. Step 2: Convert to fraction form
   67,989.16/93,492.30 = 59,020.98/x
3. Step 3: Cross multiply
   67,989.16x = 93,492.30 × 59,020.98
4. Step 4: Simplify right side
   67,989.16x = 5,518,007,168.45
5. Step 5: Solve for x
   x = 5,518,007,168.45/67,989.16
6. Step 6: Final answer
   x = 81,160.10