Finding the Fourth Proportional to 8,905.13, 13,359.82 and 3,061.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,905.13 : 13,359.82 = 3,061.59 : x
2. Step 2: Convert to fraction form
   8,905.13/13,359.82 = 3,061.59/x
3. Step 3: Cross multiply
   8,905.13x = 13,359.82 × 3,061.59
4. Step 4: Simplify right side
   8,905.13x = 40,902,291.31
5. Step 5: Solve for x
   x = 40,902,291.31/8,905.13
6. Step 6: Final answer
   x = 4,593.12