Finding the Fourth Proportional to 2,492.33, 3,438.78 and 1,607.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,492.33 : 3,438.78 = 1,607.07 : x
2. Step 2: Convert to fraction form
   2,492.33/3,438.78 = 1,607.07/x
3. Step 3: Cross multiply
   2,492.33x = 3,438.78 × 1,607.07
4. Step 4: Simplify right side
   2,492.33x = 5,526,360.17
5. Step 5: Solve for x
   x = 5,526,360.17/2,492.33
6. Step 6: Final answer
   x = 2,217.35