Finding the Fourth Proportional to 62,100.78, 85,694.18 and 35,243.30

Step by Step Solution

1. Step 1: Write the proportion equation
   62,100.78 : 85,694.18 = 35,243.30 : x
2. Step 2: Convert to fraction form
   62,100.78/85,694.18 = 35,243.30/x
3. Step 3: Cross multiply
   62,100.78x = 85,694.18 × 35,243.30
4. Step 4: Simplify right side
   62,100.78x = 3,020,145,089.31
5. Step 5: Solve for x
   x = 3,020,145,089.31/62,100.78
6. Step 6: Final answer
   x = 48,632.97