Finding the Fourth Proportional to 59,011.48, 81,436.20 and 35,139.16

Step by Step Solution

1. Step 1: Write the proportion equation
   59,011.48 : 81,436.20 = 35,139.16 : x
2. Step 2: Convert to fraction form
   59,011.48/81,436.20 = 35,139.16/x
3. Step 3: Cross multiply
   59,011.48x = 81,436.20 × 35,139.16
4. Step 4: Simplify right side
   59,011.48x = 2,861,599,661.59
5. Step 5: Solve for x
   x = 2,861,599,661.59/59,011.48
6. Step 6: Final answer
   x = 48,492.25