Finding the Fourth Proportional to 78,314.97, 108,071.91 and 42,504.26

Step by Step Solution

1. Step 1: Write the proportion equation
   78,314.97 : 108,071.91 = 42,504.26 : x
2. Step 2: Convert to fraction form
   78,314.97/108,071.91 = 42,504.26/x
3. Step 3: Cross multiply
   78,314.97x = 108,071.91 × 42,504.26
4. Step 4: Simplify right side
   78,314.97x = 4,593,516,561.34
5. Step 5: Solve for x
   x = 4,593,516,561.34/78,314.97
6. Step 6: Final answer
   x = 58,654.39