Finding the Fourth Proportional to 1,477.34, 2,039.34 and 887.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,477.34 : 2,039.34 = 887.77 : x
2. Step 2: Convert to fraction form
   1,477.34/2,039.34 = 887.77/x
3. Step 3: Cross multiply
   1,477.34x = 2,039.34 × 887.77
4. Step 4: Simplify right side
   1,477.34x = 1,810,459.28
5. Step 5: Solve for x
   x = 1,810,459.28/1,477.34
6. Step 6: Final answer
   x = 1,225.48