Finding the Fourth Proportional to 48,577.98, 72,876.89 and 20,498.04

Step by Step Solution

1. Step 1: Write the proportion equation
   48,577.98 : 72,876.89 = 20,498.04 : x
2. Step 2: Convert to fraction form
   48,577.98/72,876.89 = 20,498.04/x
3. Step 3: Cross multiply
   48,577.98x = 72,876.89 × 20,498.04
4. Step 4: Simplify right side
   48,577.98x = 1,493,833,303.81
5. Step 5: Solve for x
   x = 1,493,833,303.81/48,577.98
6. Step 6: Final answer
   x = 30,751.24