Finding the Fourth Proportional to 13,854.03, 19,093.84 and 10,488.78

Step by Step Solution

1. Step 1: Write the proportion equation
   13,854.03 : 19,093.84 = 10,488.78 : x
2. Step 2: Convert to fraction form
   13,854.03/19,093.84 = 10,488.78/x
3. Step 3: Cross multiply
   13,854.03x = 19,093.84 × 10,488.78
4. Step 4: Simplify right side
   13,854.03x = 200,271,060.89
5. Step 5: Solve for x
   x = 200,271,060.89/13,854.03
6. Step 6: Final answer
   x = 14,455.80