Finding the Fourth Proportional to 2,108,366.31, 2,909,510.77 and 1,141,488.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,366.31 : 2,909,510.77 = 1,141,488.87 : x
2. Step 2: Convert to fraction form
   2,108,366.31/2,909,510.77 = 1,141,488.87/x
3. Step 3: Cross multiply
   2,108,366.31x = 2,909,510.77 × 1,141,488.87
4. Step 4: Simplify right side
   2,108,366.31x = 3,321,174,161,100.13
5. Step 5: Solve for x
   x = 3,321,174,161,100.13/2,108,366.31
6. Step 6: Final answer
   x = 1,575,235.83