Finding the Fourth Proportional to 13,234.89, 18,264.45 and 7,570.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,234.89 : 18,264.45 = 7,570.16 : x
2. Step 2: Convert to fraction form
   13,234.89/18,264.45 = 7,570.16/x
3. Step 3: Cross multiply
   13,234.89x = 18,264.45 × 7,570.16
4. Step 4: Simplify right side
   13,234.89x = 138,264,814.37
5. Step 5: Solve for x
   x = 138,264,814.37/13,234.89
6. Step 6: Final answer
   x = 10,446.99