Finding the Fourth Proportional to 76,920.82, 106,156.06 and 42,935.93

Step by Step Solution

1. Step 1: Write the proportion equation
   76,920.82 : 106,156.06 = 42,935.93 : x
2. Step 2: Convert to fraction form
   76,920.82/106,156.06 = 42,935.93/x
3. Step 3: Cross multiply
   76,920.82x = 106,156.06 × 42,935.93
4. Step 4: Simplify right side
   76,920.82x = 4,557,908,921.20
5. Step 5: Solve for x
   x = 4,557,908,921.20/76,920.82
6. Step 6: Final answer
   x = 59,254.56