Finding the Fourth Proportional to 78,606.08, 108,476.12 and 42,796.08

Step by Step Solution

1. Step 1: Write the proportion equation
   78,606.08 : 108,476.12 = 42,796.08 : x
2. Step 2: Convert to fraction form
   78,606.08/108,476.12 = 42,796.08/x
3. Step 3: Cross multiply
   78,606.08x = 108,476.12 × 42,796.08
4. Step 4: Simplify right side
   78,606.08x = 4,642,352,709.61
5. Step 5: Solve for x
   x = 4,642,352,709.61/78,606.08
6. Step 6: Final answer
   x = 59,058.44