Finding the Fourth Proportional to 62,419.20, 86,139.82 and 34,124.88

Step by Step Solution

1. Step 1: Write the proportion equation
   62,419.20 : 86,139.82 = 34,124.88 : x
2. Step 2: Convert to fraction form
   62,419.20/86,139.82 = 34,124.88/x
3. Step 3: Cross multiply
   62,419.20x = 86,139.82 × 34,124.88
4. Step 4: Simplify right side
   62,419.20x = 2,939,511,020.72
5. Step 5: Solve for x
   x = 2,939,511,020.72/62,419.20
6. Step 6: Final answer
   x = 47,093.06