Finding the Fourth Proportional to 42,002.80, 62,931.30 and 35,441.80

Step by Step Solution

1. Step 1: Write the proportion equation
   42,002.80 : 62,931.30 = 35,441.80 : x
2. Step 2: Convert to fraction form
   42,002.80/62,931.30 = 35,441.80/x
3. Step 3: Cross multiply
   42,002.80x = 62,931.30 × 35,441.80
4. Step 4: Simplify right side
   42,002.80x = 2,230,398,548.34
5. Step 5: Solve for x
   x = 2,230,398,548.34/42,002.80
6. Step 6: Final answer
   x = 53,101.19