Finding the Fourth Proportional to 2,892,707.25, 3,991,667.61 and 1,603,437.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,892,707.25 : 3,991,667.61 = 1,603,437.96 : x
2. Step 2: Convert to fraction form
   2,892,707.25/3,991,667.61 = 1,603,437.96/x
3. Step 3: Cross multiply
   2,892,707.25x = 3,991,667.61 × 1,603,437.96
4. Step 4: Simplify right side
   2,892,707.25x = 6,400,391,369,576.48
5. Step 5: Solve for x
   x = 6,400,391,369,576.48/2,892,707.25
6. Step 6: Final answer
   x = 2,212,595.61