Finding the Fourth Proportional to 1,762.78, 2,429.31 and 1,525.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,762.78 : 2,429.31 = 1,525.99 : x
2. Step 2: Convert to fraction form
   1,762.78/2,429.31 = 1,525.99/x
3. Step 3: Cross multiply
   1,762.78x = 2,429.31 × 1,525.99
4. Step 4: Simplify right side
   1,762.78x = 3,707,102.77
5. Step 5: Solve for x
   x = 3,707,102.77/1,762.78
6. Step 6: Final answer
   x = 2,102.99