Finding the Fourth Proportional to 12,941.02, 17,860.10 and 7,199.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,941.02 : 17,860.10 = 7,199.05 : x
2. Step 2: Convert to fraction form
   12,941.02/17,860.10 = 7,199.05/x
3. Step 3: Cross multiply
   12,941.02x = 17,860.10 × 7,199.05
4. Step 4: Simplify right side
   12,941.02x = 128,575,752.91
5. Step 5: Solve for x
   x = 128,575,752.91/12,941.02
6. Step 6: Final answer
   x = 9,935.52