Finding the Fourth Proportional to 78,124.06, 107,811.30 and 42,314.37

Step by Step Solution

1. Step 1: Write the proportion equation
   78,124.06 : 107,811.30 = 42,314.37 : x
2. Step 2: Convert to fraction form
   78,124.06/107,811.30 = 42,314.37/x
3. Step 3: Cross multiply
   78,124.06x = 107,811.30 × 42,314.37
4. Step 4: Simplify right side
   78,124.06x = 4,561,967,238.38
5. Step 5: Solve for x
   x = 4,561,967,238.38/78,124.06
6. Step 6: Final answer
   x = 58,393.88