Finding the Fourth Proportional to 42,892.20, 59,290.38 and 35,777.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,892.20 : 59,290.38 = 35,777.16 : x
2. Step 2: Convert to fraction form
   42,892.20/59,290.38 = 35,777.16/x
3. Step 3: Cross multiply
   42,892.20x = 59,290.38 × 35,777.16
4. Step 4: Simplify right side
   42,892.20x = 2,121,241,411.72
5. Step 5: Solve for x
   x = 2,121,241,411.72/42,892.20
6. Step 6: Final answer
   x = 49,455.18