Finding the Fourth Proportional to 78,041.06, 107,696.94 and 42,231.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,041.06 : 107,696.94 = 42,231.06 : x
2. Step 2: Convert to fraction form
   78,041.06/107,696.94 = 42,231.06/x
3. Step 3: Cross multiply
   78,041.06x = 107,696.94 × 42,231.06
4. Step 4: Simplify right side
   78,041.06x = 4,548,155,934.96
5. Step 5: Solve for x
   x = 4,548,155,934.96/78,041.06
6. Step 6: Final answer
   x = 58,279.01