Finding the Fourth Proportional to 42,052.35, 63,151.43 and 40,740.15

Step by Step Solution

1. Step 1: Write the proportion equation
   42,052.35 : 63,151.43 = 40,740.15 : x
2. Step 2: Convert to fraction form
   42,052.35/63,151.43 = 40,740.15/x
3. Step 3: Cross multiply
   42,052.35x = 63,151.43 × 40,740.15
4. Step 4: Simplify right side
   42,052.35x = 2,572,798,527.21
5. Step 5: Solve for x
   x = 2,572,798,527.21/42,052.35
6. Step 6: Final answer
   x = 61,180.85