Finding the Fourth Proportional to 12,983.52, 17,925.84 and 9,994.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,983.52 : 17,925.84 = 9,994.08 : x
2. Step 2: Convert to fraction form
   12,983.52/17,925.84 = 9,994.08/x
3. Step 3: Cross multiply
   12,983.52x = 17,925.84 × 9,994.08
4. Step 4: Simplify right side
   12,983.52x = 179,152,279.03
5. Step 5: Solve for x
   x = 179,152,279.03/12,983.52
6. Step 6: Final answer
   x = 13,798.44