Finding the Fourth Proportional to 12,590.16, 17,368.58 and 10,075.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,590.16 : 17,368.58 = 10,075.82 : x
2. Step 2: Convert to fraction form
   12,590.16/17,368.58 = 10,075.82/x
3. Step 3: Cross multiply
   12,590.16x = 17,368.58 × 10,075.82
4. Step 4: Simplify right side
   12,590.16x = 175,002,548.51
5. Step 5: Solve for x
   x = 175,002,548.51/12,590.16
6. Step 6: Final answer
   x = 13,899.95