Finding the Fourth Proportional to 10,060.20, 15,017.40 and 9,404.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,060.20 : 15,017.40 = 9,404.10 : x
2. Step 2: Convert to fraction form
   10,060.20/15,017.40 = 9,404.10/x
3. Step 3: Cross multiply
   10,060.20x = 15,017.40 × 9,404.10
4. Step 4: Simplify right side
   10,060.20x = 141,225,131.34
5. Step 5: Solve for x
   x = 141,225,131.34/10,060.20
6. Step 6: Final answer
   x = 14,038.00