Finding the Fourth Proportional to 2,526.76, 3,485.70 and 1,478.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,526.76 : 3,485.70 = 1,478.12 : x
2. Step 2: Convert to fraction form
   2,526.76/3,485.70 = 1,478.12/x
3. Step 3: Cross multiply
   2,526.76x = 3,485.70 × 1,478.12
4. Step 4: Simplify right side
   2,526.76x = 5,152,282.88
5. Step 5: Solve for x
   x = 5,152,282.88/2,526.76
6. Step 6: Final answer
   x = 2,039.09