Finding the Fourth Proportional to 76,932.34, 106,162.31 and 42,943.02

Step by Step Solution

1. Step 1: Write the proportion equation
   76,932.34 : 106,162.31 = 42,943.02 : x
2. Step 2: Convert to fraction form
   76,932.34/106,162.31 = 42,943.02/x
3. Step 3: Cross multiply
   76,932.34x = 106,162.31 × 42,943.02
4. Step 4: Simplify right side
   76,932.34x = 4,558,930,201.58
5. Step 5: Solve for x
   x = 4,558,930,201.58/76,932.34
6. Step 6: Final answer
   x = 59,258.96