Finding the Fourth Proportional to 8,761.30, 12,090.88 and 4,782.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,761.30 : 12,090.88 = 4,782.62 : x
2. Step 2: Convert to fraction form
   8,761.30/12,090.88 = 4,782.62/x
3. Step 3: Cross multiply
   8,761.30x = 12,090.88 × 4,782.62
4. Step 4: Simplify right side
   8,761.30x = 57,826,084.51
5. Step 5: Solve for x
   x = 57,826,084.51/8,761.30
6. Step 6: Final answer
   x = 6,600.17