Finding the Fourth Proportional to 53,025.57, 79,365.29 and 38,981.88

Step by Step Solution

1. Step 1: Write the proportion equation
   53,025.57 : 79,365.29 = 38,981.88 : x
2. Step 2: Convert to fraction form
   53,025.57/79,365.29 = 38,981.88/x
3. Step 3: Cross multiply
   53,025.57x = 79,365.29 × 38,981.88
4. Step 4: Simplify right side
   53,025.57x = 3,093,808,016.04
5. Step 5: Solve for x
   x = 3,093,808,016.04/53,025.57
6. Step 6: Final answer
   x = 58,345.59