Finding the Fourth Proportional to 13,901.76, 19,184.46 and 7,528.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,901.76 : 19,184.46 = 7,528.42 : x
2. Step 2: Convert to fraction form
   13,901.76/19,184.46 = 7,528.42/x
3. Step 3: Cross multiply
   13,901.76x = 19,184.46 × 7,528.42
4. Step 4: Simplify right side
   13,901.76x = 144,428,672.35
5. Step 5: Solve for x
   x = 144,428,672.35/13,901.76
6. Step 6: Final answer
   x = 10,389.24