Finding the Fourth Proportional to 86,399.72, 129,412.04 and 41,933.02

Step by Step Solution

1. Step 1: Write the proportion equation
   86,399.72 : 129,412.04 = 41,933.02 : x
2. Step 2: Convert to fraction form
   86,399.72/129,412.04 = 41,933.02/x
3. Step 3: Cross multiply
   86,399.72x = 129,412.04 × 41,933.02
4. Step 4: Simplify right side
   86,399.72x = 5,426,637,661.56
5. Step 5: Solve for x
   x = 5,426,637,661.56/86,399.72
6. Step 6: Final answer
   x = 62,808.51