Finding the Fourth Proportional to 78,614.99, 108,490.63 and 42,806.96

Step by Step Solution

1. Step 1: Write the proportion equation
   78,614.99 : 108,490.63 = 42,806.96 : x
2. Step 2: Convert to fraction form
   78,614.99/108,490.63 = 42,806.96/x
3. Step 3: Cross multiply
   78,614.99x = 108,490.63 × 42,806.96
4. Step 4: Simplify right side
   78,614.99x = 4,644,154,058.78
5. Step 5: Solve for x
   x = 4,644,154,058.78/78,614.99
6. Step 6: Final answer
   x = 59,074.66