Finding the Fourth Proportional to 1,658.72, 2,499.32 and 1,376.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,658.72 : 2,499.32 = 1,376.48 : x
2. Step 2: Convert to fraction form
   1,658.72/2,499.32 = 1,376.48/x
3. Step 3: Cross multiply
   1,658.72x = 2,499.32 × 1,376.48
4. Step 4: Simplify right side
   1,658.72x = 3,440,263.99
5. Step 5: Solve for x
   x = 3,440,263.99/1,658.72
6. Step 6: Final answer
   x = 2,074.05