Finding the Fourth Proportional to 78,464.97, 108,282.76 and 42,655.01

Step by Step Solution

1. Step 1: Write the proportion equation
   78,464.97 : 108,282.76 = 42,655.01 : x
2. Step 2: Convert to fraction form
   78,464.97/108,282.76 = 42,655.01/x
3. Step 3: Cross multiply
   78,464.97x = 108,282.76 × 42,655.01
4. Step 4: Simplify right side
   78,464.97x = 4,618,801,562.58
5. Step 5: Solve for x
   x = 4,618,801,562.58/78,464.97
6. Step 6: Final answer
   x = 58,864.50