Finding the Fourth Proportional to 62,871.78, 86,763.67 and 34,192.05

Step by Step Solution

1. Step 1: Write the proportion equation
   62,871.78 : 86,763.67 = 34,192.05 : x
2. Step 2: Convert to fraction form
   62,871.78/86,763.67 = 34,192.05/x
3. Step 3: Cross multiply
   62,871.78x = 86,763.67 × 34,192.05
4. Step 4: Simplify right side
   62,871.78x = 2,966,627,742.82
5. Step 5: Solve for x
   x = 2,966,627,742.82/62,871.78
6. Step 6: Final answer
   x = 47,185.36