Finding the Fourth Proportional to 2,356.86, 3,252.52 and 1,308.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356.86 : 3,252.52 = 1,308.98 : x
2. Step 2: Convert to fraction form
   2,356.86/3,252.52 = 1,308.98/x
3. Step 3: Cross multiply
   2,356.86x = 3,252.52 × 1,308.98
4. Step 4: Simplify right side
   2,356.86x = 4,257,483.63
5. Step 5: Solve for x
   x = 4,257,483.63/2,356.86
6. Step 6: Final answer
   x = 1,806.42