Finding the Fourth Proportional to 71,786.59, 99,061.65 and 39,514.93

Step by Step Solution

1. Step 1: Write the proportion equation
   71,786.59 : 99,061.65 = 39,514.93 : x
2. Step 2: Convert to fraction form
   71,786.59/99,061.65 = 39,514.93/x
3. Step 3: Cross multiply
   71,786.59x = 99,061.65 × 39,514.93
4. Step 4: Simplify right side
   71,786.59x = 3,914,414,238.65
5. Step 5: Solve for x
   x = 3,914,414,238.65/71,786.59
6. Step 6: Final answer
   x = 54,528.48