Finding the Fourth Proportional to 1,384.05, 2,076.69 and 734.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384.05 : 2,076.69 = 734.63 : x
2. Step 2: Convert to fraction form
   1,384.05/2,076.69 = 734.63/x
3. Step 3: Cross multiply
   1,384.05x = 2,076.69 × 734.63
4. Step 4: Simplify right side
   1,384.05x = 1,525,598.77
5. Step 5: Solve for x
   x = 1,525,598.77/1,384.05
6. Step 6: Final answer
   x = 1,102.27