Finding the Fourth Proportional to 78,606.98, 108,476.98 and 42,796.92

Step by Step Solution

1. Step 1: Write the proportion equation
   78,606.98 : 108,476.98 = 42,796.92 : x
2. Step 2: Convert to fraction form
   78,606.98/108,476.98 = 42,796.92/x
3. Step 3: Cross multiply
   78,606.98x = 108,476.98 × 42,796.92
4. Step 4: Simplify right side
   78,606.98x = 4,642,480,634.90
5. Step 5: Solve for x
   x = 4,642,480,634.90/78,606.98
6. Step 6: Final answer
   x = 59,059.39