Finding the Fourth Proportional to 1,447.69, 1,997.10 and 887.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447.69 : 1,997.10 = 887.98 : x
2. Step 2: Convert to fraction form
   1,447.69/1,997.10 = 887.98/x
3. Step 3: Cross multiply
   1,447.69x = 1,997.10 × 887.98
4. Step 4: Simplify right side
   1,447.69x = 1,773,384.86
5. Step 5: Solve for x
   x = 1,773,384.86/1,447.69
6. Step 6: Final answer
   x = 1,224.98