Finding the Fourth Proportional to 11,623.05, 17,432.74 and 5,047.47

Step by Step Solution

1. Step 1: Write the proportion equation
   11,623.05 : 17,432.74 = 5,047.47 : x
2. Step 2: Convert to fraction form
   11,623.05/17,432.74 = 5,047.47/x
3. Step 3: Cross multiply
   11,623.05x = 17,432.74 × 5,047.47
4. Step 4: Simplify right side
   11,623.05x = 87,991,232.17
5. Step 5: Solve for x
   x = 87,991,232.17/11,623.05
6. Step 6: Final answer
   x = 7,570.41