Finding the Fourth Proportional to 93,328.16, 139,903.52 and 59,499.20

Step by Step Solution

1. Step 1: Write the proportion equation
   93,328.16 : 139,903.52 = 59,499.20 : x
2. Step 2: Convert to fraction form
   93,328.16/139,903.52 = 59,499.20/x
3. Step 3: Cross multiply
   93,328.16x = 139,903.52 × 59,499.20
4. Step 4: Simplify right side
   93,328.16x = 8,324,147,517.18
5. Step 5: Solve for x
   x = 8,324,147,517.18/93,328.16
6. Step 6: Final answer
   x = 89,192.24