Finding the Fourth Proportional to 13,174.90, 18,181.83 and 7,510.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,174.90 : 18,181.83 = 7,510.50 : x
2. Step 2: Convert to fraction form
   13,174.90/18,181.83 = 7,510.50/x
3. Step 3: Cross multiply
   13,174.90x = 18,181.83 × 7,510.50
4. Step 4: Simplify right side
   13,174.90x = 136,554,634.22
5. Step 5: Solve for x
   x = 136,554,634.22/13,174.90
6. Step 6: Final answer
   x = 10,364.76