Finding the Fourth Proportional to 78,017.54, 107,663.15 and 43,562.81

Step by Step Solution

1. Step 1: Write the proportion equation
   78,017.54 : 107,663.15 = 43,562.81 : x
2. Step 2: Convert to fraction form
   78,017.54/107,663.15 = 43,562.81/x
3. Step 3: Cross multiply
   78,017.54x = 107,663.15 × 43,562.81
4. Step 4: Simplify right side
   78,017.54x = 4,690,109,725.52
5. Step 5: Solve for x
   x = 4,690,109,725.52/78,017.54
6. Step 6: Final answer
   x = 60,116.09