Finding the Fourth Proportional to 11,028.41, 15,234.69 and 10,031.93

Step by Step Solution

1. Step 1: Write the proportion equation
   11,028.41 : 15,234.69 = 10,031.93 : x
2. Step 2: Convert to fraction form
   11,028.41/15,234.69 = 10,031.93/x
3. Step 3: Cross multiply
   11,028.41x = 15,234.69 × 10,031.93
4. Step 4: Simplify right side
   11,028.41x = 152,833,267.48
5. Step 5: Solve for x
   x = 152,833,267.48/11,028.41
6. Step 6: Final answer
   x = 13,858.15