Finding the Fourth Proportional to 2,526.30, 3,785.85 and 985.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,526.30 : 3,785.85 = 985.50 : x
2. Step 2: Convert to fraction form
   2,526.30/3,785.85 = 985.50/x
3. Step 3: Cross multiply
   2,526.30x = 3,785.85 × 985.50
4. Step 4: Simplify right side
   2,526.30x = 3,730,955.18
5. Step 5: Solve for x
   x = 3,730,955.18/2,526.30
6. Step 6: Final answer
   x = 1,476.85