Finding the Fourth Proportional to 78,775.93, 108,709.86 and 42,966.24

Step by Step Solution

1. Step 1: Write the proportion equation
   78,775.93 : 108,709.86 = 42,966.24 : x
2. Step 2: Convert to fraction form
   78,775.93/108,709.86 = 42,966.24/x
3. Step 3: Cross multiply
   78,775.93x = 108,709.86 × 42,966.24
4. Step 4: Simplify right side
   78,775.93x = 4,670,853,935.13
5. Step 5: Solve for x
   x = 4,670,853,935.13/78,775.93
6. Step 6: Final answer
   x = 59,292.91