Finding the Fourth Proportional to 78,931.17, 108,932.52 and 43,126.56

Step by Step Solution

1. Step 1: Write the proportion equation
   78,931.17 : 108,932.52 = 43,126.56 : x
2. Step 2: Convert to fraction form
   78,931.17/108,932.52 = 43,126.56/x
3. Step 3: Cross multiply
   78,931.17x = 108,932.52 × 43,126.56
4. Step 4: Simplify right side
   78,931.17x = 4,697,884,859.73
5. Step 5: Solve for x
   x = 4,697,884,859.73/78,931.17
6. Step 6: Final answer
   x = 59,518.75