Finding the Fourth Proportional to 78,437.29, 108,244.14 and 42,627.30

Step by Step Solution

1. Step 1: Write the proportion equation
   78,437.29 : 108,244.14 = 42,627.30 : x
2. Step 2: Convert to fraction form
   78,437.29/108,244.14 = 42,627.30/x
3. Step 3: Cross multiply
   78,437.29x = 108,244.14 × 42,627.30
4. Step 4: Simplify right side
   78,437.29x = 4,614,155,429.02
5. Step 5: Solve for x
   x = 4,614,155,429.02/78,437.29
6. Step 6: Final answer
   x = 58,826.04