Finding the Fourth Proportional to 109,479.12, 151,080.96 and 59,178

Step by Step Solution

1. Step 1: Write the proportion equation
   109,479.12 : 151,080.96 = 59,178 : x
2. Step 2: Convert to fraction form
   109,479.12/151,080.96 = 59,178/x
3. Step 3: Cross multiply
   109,479.12x = 151,080.96 × 59,178
4. Step 4: Simplify right side
   109,479.12x = 8,940,669,050.88
5. Step 5: Solve for x
   x = 8,940,669,050.88/109,479.12
6. Step 6: Final answer
   x = 81,665.52