Finding the Fourth Proportional to 76,829.94, 106,026.45 and 42,837.42

Step by Step Solution

1. Step 1: Write the proportion equation
   76,829.94 : 106,026.45 = 42,837.42 : x
2. Step 2: Convert to fraction form
   76,829.94/106,026.45 = 42,837.42/x
3. Step 3: Cross multiply
   76,829.94x = 106,026.45 × 42,837.42
4. Step 4: Simplify right side
   76,829.94x = 4,541,899,569.76
5. Step 5: Solve for x
   x = 4,541,899,569.76/76,829.94
6. Step 6: Final answer
   x = 59,116.27