Finding the Fourth Proportional to 10,809.59, 14,927.90 and 7,461.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,809.59 : 14,927.90 = 7,461.05 : x
2. Step 2: Convert to fraction form
   10,809.59/14,927.90 = 7,461.05/x
3. Step 3: Cross multiply
   10,809.59x = 14,927.90 × 7,461.05
4. Step 4: Simplify right side
   10,809.59x = 111,377,696.35
5. Step 5: Solve for x
   x = 111,377,696.35/10,809.59
6. Step 6: Final answer
   x = 10,303.61