Finding the Fourth Proportional to 11,290.14, 15,570.24 and 7,307.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,290.14 : 15,570.24 = 7,307.10 : x
2. Step 2: Convert to fraction form
   11,290.14/15,570.24 = 7,307.10/x
3. Step 3: Cross multiply
   11,290.14x = 15,570.24 × 7,307.10
4. Step 4: Simplify right side
   11,290.14x = 113,773,300.70
5. Step 5: Solve for x
   x = 113,773,300.70/11,290.14
6. Step 6: Final answer
   x = 10,077.23