Finding the Fourth Proportional to 48,978.57, 67,590.42 and 26,622.57

Step by Step Solution

1. Step 1: Write the proportion equation
   48,978.57 : 67,590.42 = 26,622.57 : x
2. Step 2: Convert to fraction form
   48,978.57/67,590.42 = 26,622.57/x
3. Step 3: Cross multiply
   48,978.57x = 67,590.42 × 26,622.57
4. Step 4: Simplify right side
   48,978.57x = 1,799,430,687.78
5. Step 5: Solve for x
   x = 1,799,430,687.78/48,978.57
6. Step 6: Final answer
   x = 36,739.14