Finding the Fourth Proportional to 13,360.50, 18,437.51 and 7,392.57

Step by Step Solution

1. Step 1: Write the proportion equation
   13,360.50 : 18,437.51 = 7,392.57 : x
2. Step 2: Convert to fraction form
   13,360.50/18,437.51 = 7,392.57/x
3. Step 3: Cross multiply
   13,360.50x = 18,437.51 × 7,392.57
4. Step 4: Simplify right side
   13,360.50x = 136,300,546.34
5. Step 5: Solve for x
   x = 136,300,546.34/13,360.50
6. Step 6: Final answer
   x = 10,201.75