Finding the Fourth Proportional to 109,510.72, 151,124.16 and 59,208.64

Step by Step Solution

1. Step 1: Write the proportion equation
   109,510.72 : 151,124.16 = 59,208.64 : x
2. Step 2: Convert to fraction form
   109,510.72/151,124.16 = 59,208.64/x
3. Step 3: Cross multiply
   109,510.72x = 151,124.16 × 59,208.64
4. Step 4: Simplify right side
   109,510.72x = 8,947,855,984.74
5. Step 5: Solve for x
   x = 8,947,855,984.74/109,510.72
6. Step 6: Final answer
   x = 81,707.58