Finding the Fourth Proportional to 2,526.12, 3,485.94 and 1,478.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,526.12 : 3,485.94 = 1,478.76 : x
2. Step 2: Convert to fraction form
   2,526.12/3,485.94 = 1,478.76/x
3. Step 3: Cross multiply
   2,526.12x = 3,485.94 × 1,478.76
4. Step 4: Simplify right side
   2,526.12x = 5,154,868.63
5. Step 5: Solve for x
   x = 5,154,868.63/2,526.12
6. Step 6: Final answer
   x = 2,040.63