Finding the Fourth Proportional to 2,211.29, 3,051.86 and 1,427.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,211.29 : 3,051.86 = 1,427.61 : x
2. Step 2: Convert to fraction form
   2,211.29/3,051.86 = 1,427.61/x
3. Step 3: Cross multiply
   2,211.29x = 3,051.86 × 1,427.61
4. Step 4: Simplify right side
   2,211.29x = 4,356,858.72
5. Step 5: Solve for x
   x = 4,356,858.72/2,211.29
6. Step 6: Final answer
   x = 1,970.28