Finding the Fourth Proportional to 2,109,186.31, 2,910,662.61 and 1,142,294.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,186.31 : 2,910,662.61 = 1,142,294.47 : x
2. Step 2: Convert to fraction form
   2,109,186.31/2,910,662.61 = 1,142,294.47/x
3. Step 3: Cross multiply
   2,109,186.31x = 2,910,662.61 × 1,142,294.47
4. Step 4: Simplify right side
   2,109,186.31x = 3,324,833,803,438.77
5. Step 5: Solve for x
   x = 3,324,833,803,438.77/2,109,186.31
6. Step 6: Final answer
   x = 1,576,358.52