Finding the Fourth Proportional to 62,510.50, 86,256.87 and 49,796.05

Step by Step Solution

1. Step 1: Write the proportion equation
   62,510.50 : 86,256.87 = 49,796.05 : x
2. Step 2: Convert to fraction form
   62,510.50/86,256.87 = 49,796.05/x
3. Step 3: Cross multiply
   62,510.50x = 86,256.87 × 49,796.05
4. Step 4: Simplify right side
   62,510.50x = 4,295,251,411.36
5. Step 5: Solve for x
   x = 4,295,251,411.36/62,510.50
6. Step 6: Final answer
   x = 68,712.48