Finding the Fourth Proportional to 48,498.98, 72,320.15 and 42,600.00

Step by Step Solution

1. Step 1: Write the proportion equation
   48,498.98 : 72,320.15 = 42,600.00 : x
2. Step 2: Convert to fraction form
   48,498.98/72,320.15 = 42,600.00/x
3. Step 3: Cross multiply
   48,498.98x = 72,320.15 × 42,600.00
4. Step 4: Simplify right side
   48,498.98x = 3,080,838,360.90
5. Step 5: Solve for x
   x = 3,080,838,360.90/48,498.98
6. Step 6: Final answer
   x = 63,523.78