Finding the Fourth Proportional to 2,109,190.55, 2,910,668.49 and 1,142,298.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,190.55 : 2,910,668.49 = 1,142,298.72 : x
2. Step 2: Convert to fraction form
   2,109,190.55/2,910,668.49 = 1,142,298.72/x
3. Step 3: Cross multiply
   2,109,190.55x = 2,910,668.49 × 1,142,298.72
4. Step 4: Simplify right side
   2,109,190.55x = 3,324,852,890,471.33
5. Step 5: Solve for x
   x = 3,324,852,890,471.33/2,109,190.55
6. Step 6: Final answer
   x = 1,576,364.40