Finding the Fourth Proportional to 12,513.16, 18,755.14 and 7,308.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,513.16 : 18,755.14 = 7,308.10 : x
2. Step 2: Convert to fraction form
   12,513.16/18,755.14 = 7,308.10/x
3. Step 3: Cross multiply
   12,513.16x = 18,755.14 × 7,308.10
4. Step 4: Simplify right side
   12,513.16x = 137,064,438.63
5. Step 5: Solve for x
   x = 137,064,438.63/12,513.16
6. Step 6: Final answer
   x = 10,953.62