Finding the Fourth Proportional to 12,859.32, 19,288.18 and 4,100.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,859.32 : 19,288.18 = 4,100.52 : x
2. Step 2: Convert to fraction form
   12,859.32/19,288.18 = 4,100.52/x
3. Step 3: Cross multiply
   12,859.32x = 19,288.18 × 4,100.52
4. Step 4: Simplify right side
   12,859.32x = 79,091,567.85
5. Step 5: Solve for x
   x = 79,091,567.85/12,859.32
6. Step 6: Final answer
   x = 6,150.52