Finding the Fourth Proportional to 109,429.02, 151,011.81 and 59,128.02

Step by Step Solution

1. Step 1: Write the proportion equation
   109,429.02 : 151,011.81 = 59,128.02 : x
2. Step 2: Convert to fraction form
   109,429.02/151,011.81 = 59,128.02/x
3. Step 3: Cross multiply
   109,429.02x = 151,011.81 × 59,128.02
4. Step 4: Simplify right side
   109,429.02x = 8,929,029,321.92
5. Step 5: Solve for x
   x = 8,929,029,321.92/109,429.02
6. Step 6: Final answer
   x = 81,596.54