Finding the Fourth Proportional to 2,108,947.40, 2,910,342.94 and 1,142,074.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,947.40 : 2,910,342.94 = 1,142,074.70 : x
2. Step 2: Convert to fraction form
   2,108,947.40/2,910,342.94 = 1,142,074.70/x
3. Step 3: Cross multiply
   2,108,947.40x = 2,910,342.94 × 1,142,074.70
4. Step 4: Simplify right side
   2,108,947.40x = 3,323,829,022,690.72
5. Step 5: Solve for x
   x = 3,323,829,022,690.72/2,108,947.40
6. Step 6: Final answer
   x = 1,576,060.66