Finding the Fourth Proportional to 10,017.86, 15,037.16 and 7,388.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,017.86 : 15,037.16 = 7,388.30 : x
2. Step 2: Convert to fraction form
   10,017.86/15,037.16 = 7,388.30/x
3. Step 3: Cross multiply
   10,017.86x = 15,037.16 × 7,388.30
4. Step 4: Simplify right side
   10,017.86x = 111,098,965.30
5. Step 5: Solve for x
   x = 111,098,965.30/10,017.86
6. Step 6: Final answer
   x = 11,090.09