Finding the Fourth Proportional to 7,190.47, 10,853.23 and 7,190.47

Step by Step Solution

1. Step 1: Write the proportion equation
   7,190.47 : 10,853.23 = 7,190.47 : x
2. Step 2: Convert to fraction form
   7,190.47/10,853.23 = 7,190.47/x
3. Step 3: Cross multiply
   7,190.47x = 10,853.23 × 7,190.47
4. Step 4: Simplify right side
   7,190.47x = 78,039,824.72
5. Step 5: Solve for x
   x = 78,039,824.72/7,190.47
6. Step 6: Final answer
   x = 10,853.23