Finding the Fourth Proportional to 9,472.78, 13,071.54 and 5,492.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,472.78 : 13,071.54 = 5,492.98 : x
2. Step 2: Convert to fraction form
   9,472.78/13,071.54 = 5,492.98/x
3. Step 3: Cross multiply
   9,472.78x = 13,071.54 × 5,492.98
4. Step 4: Simplify right side
   9,472.78x = 71,801,707.79
5. Step 5: Solve for x
   x = 71,801,707.79/9,472.78
6. Step 6: Final answer
   x = 7,579.79