Finding the Fourth Proportional to 10,156.19, 15,237.35 and 7,200.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,156.19 : 15,237.35 = 7,200.33 : x
2. Step 2: Convert to fraction form
   10,156.19/15,237.35 = 7,200.33/x
3. Step 3: Cross multiply
   10,156.19x = 15,237.35 × 7,200.33
4. Step 4: Simplify right side
   10,156.19x = 109,713,912.32
5. Step 5: Solve for x
   x = 109,713,912.32/10,156.19
6. Step 6: Final answer
   x = 10,802.67