Finding the Fourth Proportional to 2,903.86, 4,356.38 and 1,237.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,903.86 : 4,356.38 = 1,237.98 : x
2. Step 2: Convert to fraction form
   2,903.86/4,356.38 = 1,237.98/x
3. Step 3: Cross multiply
   2,903.86x = 4,356.38 × 1,237.98
4. Step 4: Simplify right side
   2,903.86x = 5,393,111.31
5. Step 5: Solve for x
   x = 5,393,111.31/2,903.86
6. Step 6: Final answer
   x = 1,857.22