Finding the Fourth Proportional to 9,848.72, 13,590.99 and 5,372.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,848.72 : 13,590.99 = 5,372.60 : x
2. Step 2: Convert to fraction form
   9,848.72/13,590.99 = 5,372.60/x
3. Step 3: Cross multiply
   9,848.72x = 13,590.99 × 5,372.60
4. Step 4: Simplify right side
   9,848.72x = 73,018,884.92
5. Step 5: Solve for x
   x = 73,018,884.92/9,848.72
6. Step 6: Final answer
   x = 7,414.05