Finding the Fourth Proportional to 2,212,066.86, 3,051,022.48 and 1,668,225.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,212,066.86 : 3,051,022.48 = 1,668,225.57 : x
2. Step 2: Convert to fraction form
   2,212,066.86/3,051,022.48 = 1,668,225.57/x
3. Step 3: Cross multiply
   2,212,066.86x = 3,051,022.48 × 1,668,225.57
4. Step 4: Simplify right side
   2,212,066.86x = 5,089,793,715,780.81
5. Step 5: Solve for x
   x = 5,089,793,715,780.81/2,212,066.86
6. Step 6: Final answer
   x = 2,300,922.19