Finding the Fourth Proportional to 49,487.60, 74,294.76 and 42,512.24

Step by Step Solution

1. Step 1: Write the proportion equation
   49,487.60 : 74,294.76 = 42,512.24 : x
2. Step 2: Convert to fraction form
   49,487.60/74,294.76 = 42,512.24/x
3. Step 3: Cross multiply
   49,487.60x = 74,294.76 × 42,512.24
4. Step 4: Simplify right side
   49,487.60x = 3,158,436,667.86
5. Step 5: Solve for x
   x = 3,158,436,667.86/49,487.60
6. Step 6: Final answer
   x = 63,822.79