Finding the Fourth Proportional to 11,558.96, 17,348.27 and 4,543.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,558.96 : 17,348.27 = 4,543.89 : x
2. Step 2: Convert to fraction form
   11,558.96/17,348.27 = 4,543.89/x
3. Step 3: Cross multiply
   11,558.96x = 17,348.27 × 4,543.89
4. Step 4: Simplify right side
   11,558.96x = 78,828,641.93
5. Step 5: Solve for x
   x = 78,828,641.93/11,558.96
6. Step 6: Final answer
   x = 6,819.70