Finding the Fourth Proportional to 12,938.93, 17,845.88 and 9,753.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,938.93 : 17,845.88 = 9,753.20 : x
2. Step 2: Convert to fraction form
   12,938.93/17,845.88 = 9,753.20/x
3. Step 3: Cross multiply
   12,938.93x = 17,845.88 × 9,753.20
4. Step 4: Simplify right side
   12,938.93x = 174,054,298.82
5. Step 5: Solve for x
   x = 174,054,298.82/12,938.93
6. Step 6: Final answer
   x = 13,451.99