Finding the Fourth Proportional to 11,764.98, 17,638.18 and 8,055.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,764.98 : 17,638.18 = 8,055.96 : x
2. Step 2: Convert to fraction form
   11,764.98/17,638.18 = 8,055.96/x
3. Step 3: Cross multiply
   11,764.98x = 17,638.18 × 8,055.96
4. Step 4: Simplify right side
   11,764.98x = 142,092,472.55
5. Step 5: Solve for x
   x = 142,092,472.55/11,764.98
6. Step 6: Final answer
   x = 12,077.58