Finding the Fourth Proportional to 1,522.60, 2,101.50 and 1,025.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.60 : 2,101.50 = 1,025.56 : x
2. Step 2: Convert to fraction form
   1,522.60/2,101.50 = 1,025.56/x
3. Step 3: Cross multiply
   1,522.60x = 2,101.50 × 1,025.56
4. Step 4: Simplify right side
   1,522.60x = 2,155,214.34
5. Step 5: Solve for x
   x = 2,155,214.34/1,522.60
6. Step 6: Final answer
   x = 1,415.48