Finding the Fourth Proportional to 76,882.77, 106,095.02 and 42,890.72

Step by Step Solution

1. Step 1: Write the proportion equation
   76,882.77 : 106,095.02 = 42,890.72 : x
2. Step 2: Convert to fraction form
   76,882.77/106,095.02 = 42,890.72/x
3. Step 3: Cross multiply
   76,882.77x = 106,095.02 × 42,890.72
4. Step 4: Simplify right side
   76,882.77x = 4,550,491,051.29
5. Step 5: Solve for x
   x = 4,550,491,051.29/76,882.77
6. Step 6: Final answer
   x = 59,187.40