Finding the Fourth Proportional to 6,404.51, 8,838.27 and 3,572.06

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404.51 : 8,838.27 = 3,572.06 : x
2. Step 2: Convert to fraction form
   6,404.51/8,838.27 = 3,572.06/x
3. Step 3: Cross multiply
   6,404.51x = 8,838.27 × 3,572.06
4. Step 4: Simplify right side
   6,404.51x = 31,570,830.74
5. Step 5: Solve for x
   x = 31,570,830.74/6,404.51
6. Step 6: Final answer
   x = 4,929.47