Finding the Fourth Proportional to 78,103.24, 107,782.98 and 42,293.25

Step by Step Solution

1. Step 1: Write the proportion equation
   78,103.24 : 107,782.98 = 42,293.25 : x
2. Step 2: Convert to fraction form
   78,103.24/107,782.98 = 42,293.25/x
3. Step 3: Cross multiply
   78,103.24x = 107,782.98 × 42,293.25
4. Step 4: Simplify right side
   78,103.24x = 4,558,492,304.86
5. Step 5: Solve for x
   x = 4,558,492,304.86/78,103.24
6. Step 6: Final answer
   x = 58,364.96