Finding the Fourth Proportional to 8,758.34, 12,088.54 and 5,774.70

Step by Step Solution

1. Step 1: Write the proportion equation
   8,758.34 : 12,088.54 = 5,774.70 : x
2. Step 2: Convert to fraction form
   8,758.34/12,088.54 = 5,774.70/x
3. Step 3: Cross multiply
   8,758.34x = 12,088.54 × 5,774.70
4. Step 4: Simplify right side
   8,758.34x = 69,807,691.94
5. Step 5: Solve for x
   x = 69,807,691.94/8,758.34
6. Step 6: Final answer
   x = 7,970.42