Finding the Fourth Proportional to 62,913.12, 86,820.72 and 34,619.42

Step by Step Solution

1. Step 1: Write the proportion equation
   62,913.12 : 86,820.72 = 34,619.42 : x
2. Step 2: Convert to fraction form
   62,913.12/86,820.72 = 34,619.42/x
3. Step 3: Cross multiply
   62,913.12x = 86,820.72 × 34,619.42
4. Step 4: Simplify right side
   62,913.12x = 3,005,682,970.38
5. Step 5: Solve for x
   x = 3,005,682,970.38/62,913.12
6. Step 6: Final answer
   x = 47,775.14