Finding the Fourth Proportional to 115,019.04, 172,659.84 and 77,096.52

Step by Step Solution

1. Step 1: Write the proportion equation
   115,019.04 : 172,659.84 = 77,096.52 : x
2. Step 2: Convert to fraction form
   115,019.04/172,659.84 = 77,096.52/x
3. Step 3: Cross multiply
   115,019.04x = 172,659.84 × 77,096.52
4. Step 4: Simplify right side
   115,019.04x = 13,311,472,807.76
5. Step 5: Solve for x
   x = 13,311,472,807.76/115,019.04
6. Step 6: Final answer
   x = 115,732.78