Finding the Fourth Proportional to 77,682.48, 116,499 and 25,079.72

Step by Step Solution

1. Step 1: Write the proportion equation
   77,682.48 : 116,499 = 25,079.72 : x
2. Step 2: Convert to fraction form
   77,682.48/116,499 = 25,079.72/x
3. Step 3: Cross multiply
   77,682.48x = 116,499 × 25,079.72
4. Step 4: Simplify right side
   77,682.48x = 2,921,762,300.28
5. Step 5: Solve for x
   x = 2,921,762,300.28/77,682.48
6. Step 6: Final answer
   x = 37,611.60