Finding the Fourth Proportional to 10,975.08, 15,147.90 and 10,089.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,975.08 : 15,147.90 = 10,089.48 : x
2. Step 2: Convert to fraction form
   10,975.08/15,147.90 = 10,089.48/x
3. Step 3: Cross multiply
   10,975.08x = 15,147.90 × 10,089.48
4. Step 4: Simplify right side
   10,975.08x = 152,834,434.09
5. Step 5: Solve for x
   x = 152,834,434.09/10,975.08
6. Step 6: Final answer
   x = 13,925.59