Finding the Fourth Proportional to 148,487.70, 222,758.55 and 48,620.10

Step by Step Solution

1. Step 1: Write the proportion equation
   148,487.70 : 222,758.55 = 48,620.10 : x
2. Step 2: Convert to fraction form
   148,487.70/222,758.55 = 48,620.10/x
3. Step 3: Cross multiply
   148,487.70x = 222,758.55 × 48,620.10
4. Step 4: Simplify right side
   148,487.70x = 10,830,542,976.86
5. Step 5: Solve for x
   x = 10,830,542,976.86/148,487.70
6. Step 6: Final answer
   x = 72,938.99