Finding the Fourth Proportional to 4,003,407, 5,990,043.42 and 2,807,663.40

Step by Step Solution

1. Step 1: Write the proportion equation
   4,003,407 : 5,990,043.42 = 2,807,663.40 : x
2. Step 2: Convert to fraction form
   4,003,407/5,990,043.42 = 2,807,663.40/x
3. Step 3: Cross multiply
   4,003,407x = 5,990,043.42 × 2,807,663.40
4. Step 4: Simplify right side
   4,003,407x = 16,818,025,674,744.83
5. Step 5: Solve for x
   x = 16,818,025,674,744.83/4,003,407
6. Step 6: Final answer
   x = 4,200,928.28