Finding the Fourth Proportional to 5,387.90, 8,081.98 and 1,492.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,387.90 : 8,081.98 = 1,492.34 : x
2. Step 2: Convert to fraction form
   5,387.90/8,081.98 = 1,492.34/x
3. Step 3: Cross multiply
   5,387.90x = 8,081.98 × 1,492.34
4. Step 4: Simplify right side
   5,387.90x = 12,061,014.16
5. Step 5: Solve for x
   x = 12,061,014.16/5,387.90
6. Step 6: Final answer
   x = 2,238.54