Finding the Fourth Proportional to 62,919.69, 86,828.52 and 35,700.78

Step by Step Solution

1. Step 1: Write the proportion equation
   62,919.69 : 86,828.52 = 35,700.78 : x
2. Step 2: Convert to fraction form
   62,919.69/86,828.52 = 35,700.78/x
3. Step 3: Cross multiply
   62,919.69x = 86,828.52 × 35,700.78
4. Step 4: Simplify right side
   62,919.69x = 3,099,845,890.25
5. Step 5: Solve for x
   x = 3,099,845,890.25/62,919.69
6. Step 6: Final answer
   x = 49,266.71