Finding the Fourth Proportional to 5,085.78, 7,592.03 and 4,429.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,085.78 : 7,592.03 = 4,429.50 : x
2. Step 2: Convert to fraction form
   5,085.78/7,592.03 = 4,429.50/x
3. Step 3: Cross multiply
   5,085.78x = 7,592.03 × 4,429.50
4. Step 4: Simplify right side
   5,085.78x = 33,628,896.89
5. Step 5: Solve for x
   x = 33,628,896.89/5,085.78
6. Step 6: Final answer
   x = 6,612.34