Finding the Fourth Proportional to 12,765.31, 17,620.89 and 7,461.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,765.31 : 17,620.89 = 7,461.83 : x
2. Step 2: Convert to fraction form
   12,765.31/17,620.89 = 7,461.83/x
3. Step 3: Cross multiply
   12,765.31x = 17,620.89 × 7,461.83
4. Step 4: Simplify right side
   12,765.31x = 131,484,085.63
5. Step 5: Solve for x
   x = 131,484,085.63/12,765.31
6. Step 6: Final answer
   x = 10,300.11