Finding the Fourth Proportional to 13,900.14, 19,182.06 and 7,526.57

Step by Step Solution

1. Step 1: Write the proportion equation
   13,900.14 : 19,182.06 = 7,526.57 : x
2. Step 2: Convert to fraction form
   13,900.14/19,182.06 = 7,526.57/x
3. Step 3: Cross multiply
   13,900.14x = 19,182.06 × 7,526.57
4. Step 4: Simplify right side
   13,900.14x = 144,375,117.33
5. Step 5: Solve for x
   x = 144,375,117.33/13,900.14
6. Step 6: Final answer
   x = 10,386.59