Finding the Fourth Proportional to 5,910.72, 8,819.73 and 5,290.14

Step by Step Solution

1. Step 1: Write the proportion equation
   5,910.72 : 8,819.73 = 5,290.14 : x
2. Step 2: Convert to fraction form
   5,910.72/8,819.73 = 5,290.14/x
3. Step 3: Cross multiply
   5,910.72x = 8,819.73 × 5,290.14
4. Step 4: Simplify right side
   5,910.72x = 46,657,606.46
5. Step 5: Solve for x
   x = 46,657,606.46/5,910.72
6. Step 6: Final answer
   x = 7,893.73