Finding the Fourth Proportional to 2,526.10, 3,485.90 and 1,407.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,526.10 : 3,485.90 = 1,407.03 : x
2. Step 2: Convert to fraction form
   2,526.10/3,485.90 = 1,407.03/x
3. Step 3: Cross multiply
   2,526.10x = 3,485.90 × 1,407.03
4. Step 4: Simplify right side
   2,526.10x = 4,904,757.29
5. Step 5: Solve for x
   x = 4,904,757.29/2,526.10
6. Step 6: Final answer
   x = 1,941.63