Finding the Fourth Proportional to 2,111,439.15, 2,913,789.92 and 1,144,566.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,439.15 : 2,913,789.92 = 1,144,566.45 : x
2. Step 2: Convert to fraction form
   2,111,439.15/2,913,789.92 = 1,144,566.45/x
3. Step 3: Cross multiply
   2,111,439.15x = 2,913,789.92 × 1,144,566.45
4. Step 4: Simplify right side
   2,111,439.15x = 3,335,026,179,057.35
5. Step 5: Solve for x
   x = 3,335,026,179,057.35/2,111,439.15
6. Step 6: Final answer
   x = 1,579,503.81