Finding the Fourth Proportional to 62,620.56, 86,414.64 and 35,758.80

Step by Step Solution

1. Step 1: Write the proportion equation
   62,620.56 : 86,414.64 = 35,758.80 : x
2. Step 2: Convert to fraction form
   62,620.56/86,414.64 = 35,758.80/x
3. Step 3: Cross multiply
   62,620.56x = 86,414.64 × 35,758.80
4. Step 4: Simplify right side
   62,620.56x = 3,090,083,828.83
5. Step 5: Solve for x
   x = 3,090,083,828.83/62,620.56
6. Step 6: Final answer
   x = 49,346.15