Finding the Fourth Proportional to 79,225.52, 118,838.48 and 20,061.20

Step by Step Solution

1. Step 1: Write the proportion equation
   79,225.52 : 118,838.48 = 20,061.20 : x
2. Step 2: Convert to fraction form
   79,225.52/118,838.48 = 20,061.20/x
3. Step 3: Cross multiply
   79,225.52x = 118,838.48 × 20,061.20
4. Step 4: Simplify right side
   79,225.52x = 2,384,041,820.48
5. Step 5: Solve for x
   x = 2,384,041,820.48/79,225.52
6. Step 6: Final answer
   x = 30,091.84