Finding the Fourth Proportional to 78,582.68, 108,446.76 and 42,773.98

Step by Step Solution

1. Step 1: Write the proportion equation
   78,582.68 : 108,446.76 = 42,773.98 : x
2. Step 2: Convert to fraction form
   78,582.68/108,446.76 = 42,773.98/x
3. Step 3: Cross multiply
   78,582.68x = 108,446.76 × 42,773.98
4. Step 4: Simplify right side
   78,582.68x = 4,638,699,543.30
5. Step 5: Solve for x
   x = 4,638,699,543.30/78,582.68
6. Step 6: Final answer
   x = 59,029.54