Finding the Fourth Proportional to 12,595.06, 17,385.17 and 7,876.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,595.06 : 17,385.17 = 7,876.34 : x
2. Step 2: Convert to fraction form
   12,595.06/17,385.17 = 7,876.34/x
3. Step 3: Cross multiply
   12,595.06x = 17,385.17 × 7,876.34
4. Step 4: Simplify right side
   12,595.06x = 136,931,509.88
5. Step 5: Solve for x
   x = 136,931,509.88/12,595.06
6. Step 6: Final answer
   x = 10,871.84