Finding the Fourth Proportional to 8,345.52, 11,513.88 and 5,200.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,345.52 : 11,513.88 = 5,200.56 : x
2. Step 2: Convert to fraction form
   8,345.52/11,513.88 = 5,200.56/x
3. Step 3: Cross multiply
   8,345.52x = 11,513.88 × 5,200.56
4. Step 4: Simplify right side
   8,345.52x = 59,878,623.77
5. Step 5: Solve for x
   x = 59,878,623.77/8,345.52
6. Step 6: Final answer
   x = 7,174.94