Finding the Fourth Proportional to 34,862.79, 48,111.81 and 20,520.03

Step by Step Solution

1. Step 1: Write the proportion equation
   34,862.79 : 48,111.81 = 20,520.03 : x
2. Step 2: Convert to fraction form
   34,862.79/48,111.81 = 20,520.03/x
3. Step 3: Cross multiply
   34,862.79x = 48,111.81 × 20,520.03
4. Step 4: Simplify right side
   34,862.79x = 987,255,784.55
5. Step 5: Solve for x
   x = 987,255,784.55/34,862.79
6. Step 6: Final answer
   x = 28,318.32