Finding the Fourth Proportional to 76,871.65, 106,083 and 42,882.34

Step by Step Solution

1. Step 1: Write the proportion equation
   76,871.65 : 106,083 = 42,882.34 : x
2. Step 2: Convert to fraction form
   76,871.65/106,083 = 42,882.34/x
3. Step 3: Cross multiply
   76,871.65x = 106,083 × 42,882.34
4. Step 4: Simplify right side
   76,871.65x = 4,549,087,274.22
5. Step 5: Solve for x
   x = 4,549,087,274.22/76,871.65
6. Step 6: Final answer
   x = 59,177.70