Finding the Fourth Proportional to 82,809.72, 114,280.89 and 47,003.05

Step by Step Solution

1. Step 1: Write the proportion equation
   82,809.72 : 114,280.89 = 47,003.05 : x
2. Step 2: Convert to fraction form
   82,809.72/114,280.89 = 47,003.05/x
3. Step 3: Cross multiply
   82,809.72x = 114,280.89 × 47,003.05
4. Step 4: Simplify right side
   82,809.72x = 5,371,550,386.71
5. Step 5: Solve for x
   x = 5,371,550,386.71/82,809.72
6. Step 6: Final answer
   x = 64,866.18