Finding the Fourth Proportional to 2,118,111.69, 2,923,011.87 and 1,151,241.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,111.69 : 2,923,011.87 = 1,151,241.72 : x
2. Step 2: Convert to fraction form
   2,118,111.69/2,923,011.87 = 1,151,241.72/x
3. Step 3: Cross multiply
   2,118,111.69x = 2,923,011.87 × 1,151,241.72
4. Step 4: Simplify right side
   2,118,111.69x = 3,365,093,212,799.22
5. Step 5: Solve for x
   x = 3,365,093,212,799.22/2,118,111.69
6. Step 6: Final answer
   x = 1,588,723.21