Finding the Fourth Proportional to 109,629.15, 151,288.71 and 59,328.15

Step by Step Solution

1. Step 1: Write the proportion equation
   109,629.15 : 151,288.71 = 59,328.15 : x
2. Step 2: Convert to fraction form
   109,629.15/151,288.71 = 59,328.15/x
3. Step 3: Cross multiply
   109,629.15x = 151,288.71 × 59,328.15
4. Step 4: Simplify right side
   109,629.15x = 8,975,679,280.19
5. Step 5: Solve for x
   x = 8,975,679,280.19/109,629.15
6. Step 6: Final answer
   x = 81,873.11