Finding the Fourth Proportional to 1,492.84, 2,238.30 and 979.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,492.84 : 2,238.30 = 979.24 : x
2. Step 2: Convert to fraction form
   1,492.84/2,238.30 = 979.24/x
3. Step 3: Cross multiply
   1,492.84x = 2,238.30 × 979.24
4. Step 4: Simplify right side
   1,492.84x = 2,191,832.89
5. Step 5: Solve for x
   x = 2,191,832.89/1,492.84
6. Step 6: Final answer
   x = 1,468.23