Finding the Fourth Proportional to 78,406.26, 108,200.10 and 42,595.92

Step by Step Solution

1. Step 1: Write the proportion equation
   78,406.26 : 108,200.10 = 42,595.92 : x
2. Step 2: Convert to fraction form
   78,406.26/108,200.10 = 42,595.92/x
3. Step 3: Cross multiply
   78,406.26x = 108,200.10 × 42,595.92
4. Step 4: Simplify right side
   78,406.26x = 4,608,882,803.59
5. Step 5: Solve for x
   x = 4,608,882,803.59/78,406.26
6. Step 6: Final answer
   x = 58,782.08