Finding the Fourth Proportional to 49,023.55, 72,980.89 and 48,731.95

Step by Step Solution

1. Step 1: Write the proportion equation
   49,023.55 : 72,980.89 = 48,731.95 : x
2. Step 2: Convert to fraction form
   49,023.55/72,980.89 = 48,731.95/x
3. Step 3: Cross multiply
   49,023.55x = 72,980.89 × 48,731.95
4. Step 4: Simplify right side
   49,023.55x = 3,556,501,082.44
5. Step 5: Solve for x
   x = 3,556,501,082.44/49,023.55
6. Step 6: Final answer
   x = 72,546.79