Finding the Fourth Proportional to 9,974.10, 14,948.55 and 5,045.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,974.10 : 14,948.55 = 5,045.10 : x
2. Step 2: Convert to fraction form
   9,974.10/14,948.55 = 5,045.10/x
3. Step 3: Cross multiply
   9,974.10x = 14,948.55 × 5,045.10
4. Step 4: Simplify right side
   9,974.10x = 75,416,929.61
5. Step 5: Solve for x
   x = 75,416,929.61/9,974.10
6. Step 6: Final answer
   x = 7,561.28