Finding the Fourth Proportional to 1,484.76, 2,213.16 and 1,437.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,484.76 : 2,213.16 = 1,437.60 : x
2. Step 2: Convert to fraction form
   1,484.76/2,213.16 = 1,437.60/x
3. Step 3: Cross multiply
   1,484.76x = 2,213.16 × 1,437.60
4. Step 4: Simplify right side
   1,484.76x = 3,181,638.82
5. Step 5: Solve for x
   x = 3,181,638.82/1,484.76
6. Step 6: Final answer
   x = 2,142.86