Finding the Fourth Proportional to 78,462.02, 108,275.31 and 42,651.11

Step by Step Solution

1. Step 1: Write the proportion equation
   78,462.02 : 108,275.31 = 42,651.11 : x
2. Step 2: Convert to fraction form
   78,462.02/108,275.31 = 42,651.11/x
3. Step 3: Cross multiply
   78,462.02x = 108,275.31 × 42,651.11
4. Step 4: Simplify right side
   78,462.02x = 4,618,062,157.09
5. Step 5: Solve for x
   x = 4,618,062,157.09/78,462.02
6. Step 6: Final answer
   x = 58,857.29