Finding the Fourth Proportional to 12,987.83, 19,467.77 and 5,595.77

Step by Step Solution

1. Step 1: Write the proportion equation
   12,987.83 : 19,467.77 = 5,595.77 : x
2. Step 2: Convert to fraction form
   12,987.83/19,467.77 = 5,595.77/x
3. Step 3: Cross multiply
   12,987.83x = 19,467.77 × 5,595.77
4. Step 4: Simplify right side
   12,987.83x = 108,937,038.02
5. Step 5: Solve for x
   x = 108,937,038.02/12,987.83
6. Step 6: Final answer
   x = 8,387.63