Finding the Fourth Proportional to 2,892,699.21, 3,991,656.50 and 1,603,429.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,892,699.21 : 3,991,656.50 = 1,603,429.91 : x
2. Step 2: Convert to fraction form
   2,892,699.21/3,991,656.50 = 1,603,429.91/x
3. Step 3: Cross multiply
   2,892,699.21x = 3,991,656.50 × 1,603,429.91
4. Step 4: Simplify right side
   2,892,699.21x = 6,400,341,394,570.48
5. Step 5: Solve for x
   x = 6,400,341,394,570.48/2,892,699.21
6. Step 6: Final answer
   x = 2,212,584.49