Finding the Fourth Proportional to 62,933.28, 86,846.40 and 34,638.72

Step by Step Solution

1. Step 1: Write the proportion equation
   62,933.28 : 86,846.40 = 34,638.72 : x
2. Step 2: Convert to fraction form
   62,933.28/86,846.40 = 34,638.72/x
3. Step 3: Cross multiply
   62,933.28x = 86,846.40 × 34,638.72
4. Step 4: Simplify right side
   62,933.28x = 3,008,248,132.61
5. Step 5: Solve for x
   x = 3,008,248,132.61/62,933.28
6. Step 6: Final answer
   x = 47,800.59