Finding the Fourth Proportional to 2,897,406.34, 3,998,467.61 and 1,590,778.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,897,406.34 : 3,998,467.61 = 1,590,778.83 : x
2. Step 2: Convert to fraction form
   2,897,406.34/3,998,467.61 = 1,590,778.83/x
3. Step 3: Cross multiply
   2,897,406.34x = 3,998,467.61 × 1,590,778.83
4. Step 4: Simplify right side
   2,897,406.34x = 6,360,677,626,428.70
5. Step 5: Solve for x
   x = 6,360,677,626,428.70/2,897,406.34
6. Step 6: Final answer
   x = 2,195,300.51