Finding the Fourth Proportional to 2,071,690.72, 2,859,205.68 and 1,166,449.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071,690.72 : 2,859,205.68 = 1,166,449.12 : x
2. Step 2: Convert to fraction form
   2,071,690.72/2,859,205.68 = 1,166,449.12/x
3. Step 3: Cross multiply
   2,071,690.72x = 2,859,205.68 × 1,166,449.12
4. Step 4: Simplify right side
   2,071,690.72x = 3,335,117,949,335.00
5. Step 5: Solve for x
   x = 3,335,117,949,335.00/2,071,690.72
6. Step 6: Final answer
   x = 1,609,853.21