Finding the Fourth Proportional to 13,813.74, 19,062.72 and 7,526.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,813.74 : 19,062.72 = 7,526.16 : x
2. Step 2: Convert to fraction form
   13,813.74/19,062.72 = 7,526.16/x
3. Step 3: Cross multiply
   13,813.74x = 19,062.72 × 7,526.16
4. Step 4: Simplify right side
   13,813.74x = 143,469,080.76
5. Step 5: Solve for x
   x = 143,469,080.76/13,813.74
6. Step 6: Final answer
   x = 10,385.97