Finding the Fourth Proportional to 2,773.79, 4,157.72 and 1,384.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,773.79 : 4,157.72 = 1,384.39 : x
2. Step 2: Convert to fraction form
   2,773.79/4,157.72 = 1,384.39/x
3. Step 3: Cross multiply
   2,773.79x = 4,157.72 × 1,384.39
4. Step 4: Simplify right side
   2,773.79x = 5,755,881.74
5. Step 5: Solve for x
   x = 5,755,881.74/2,773.79
6. Step 6: Final answer
   x = 2,075.10