Finding the Fourth Proportional to 1,384.96, 2,077.32 and 604.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384.96 : 2,077.32 = 604.72 : x
2. Step 2: Convert to fraction form
   1,384.96/2,077.32 = 604.72/x
3. Step 3: Cross multiply
   1,384.96x = 2,077.32 × 604.72
4. Step 4: Simplify right side
   1,384.96x = 1,256,196.95
5. Step 5: Solve for x
   x = 1,256,196.95/1,384.96
6. Step 6: Final answer
   x = 907.03