Finding the Fourth Proportional to 109,407.12, 150,981.72 and 59,106.12

Step by Step Solution

1. Step 1: Write the proportion equation
   109,407.12 : 150,981.72 = 59,106.12 : x
2. Step 2: Convert to fraction form
   109,407.12/150,981.72 = 59,106.12/x
3. Step 3: Cross multiply
   109,407.12x = 150,981.72 × 59,106.12
4. Step 4: Simplify right side
   109,407.12x = 8,923,943,660.13
5. Step 5: Solve for x
   x = 8,923,943,660.13/109,407.12
6. Step 6: Final answer
   x = 81,566.39