Finding the Fourth Proportional to 12,799.49, 19,187.94 and 5,002.85

Step by Step Solution

1. Step 1: Write the proportion equation
   12,799.49 : 19,187.94 = 5,002.85 : x
2. Step 2: Convert to fraction form
   12,799.49/19,187.94 = 5,002.85/x
3. Step 3: Cross multiply
   12,799.49x = 19,187.94 × 5,002.85
4. Step 4: Simplify right side
   12,799.49x = 95,994,385.63
5. Step 5: Solve for x
   x = 95,994,385.63/12,799.49
6. Step 6: Final answer
   x = 7,499.86