Finding the Fourth Proportional to 48,559.72, 72,826.62 and 13,501.30

Step by Step Solution

1. Step 1: Write the proportion equation
   48,559.72 : 72,826.62 = 13,501.30 : x
2. Step 2: Convert to fraction form
   48,559.72/72,826.62 = 13,501.30/x
3. Step 3: Cross multiply
   48,559.72x = 72,826.62 × 13,501.30
4. Step 4: Simplify right side
   48,559.72x = 983,254,044.61
5. Step 5: Solve for x
   x = 983,254,044.61/48,559.72
6. Step 6: Final answer
   x = 20,248.35