Finding the Fourth Proportional to 62,510.49, 86,256.88 and 49,796.05

Step by Step Solution

1. Step 1: Write the proportion equation
   62,510.49 : 86,256.88 = 49,796.05 : x
2. Step 2: Convert to fraction form
   62,510.49/86,256.88 = 49,796.05/x
3. Step 3: Cross multiply
   62,510.49x = 86,256.88 × 49,796.05
4. Step 4: Simplify right side
   62,510.49x = 4,295,251,909.32
5. Step 5: Solve for x
   x = 4,295,251,909.32/62,510.49
6. Step 6: Final answer
   x = 68,712.50