Finding the Fourth Proportional to 10,974.58, 15,147.21 and 10,088.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,974.58 : 15,147.21 = 10,088.98 : x
2. Step 2: Convert to fraction form
   10,974.58/15,147.21 = 10,088.98/x
3. Step 3: Cross multiply
   10,974.58x = 15,147.21 × 10,088.98
4. Step 4: Simplify right side
   10,974.58x = 152,819,898.75
5. Step 5: Solve for x
   x = 152,819,898.75/10,974.58
6. Step 6: Final answer
   x = 13,924.90