Finding the Fourth Proportional to 148,883.20, 223,331.52 and 42,274.72

Step by Step Solution

1. Step 1: Write the proportion equation
   148,883.20 : 223,331.52 = 42,274.72 : x
2. Step 2: Convert to fraction form
   148,883.20/223,331.52 = 42,274.72/x
3. Step 3: Cross multiply
   148,883.20x = 223,331.52 × 42,274.72
4. Step 4: Simplify right side
   148,883.20x = 9,441,277,475.17
5. Step 5: Solve for x
   x = 9,441,277,475.17/148,883.20
6. Step 6: Final answer
   x = 63,413.99