Finding the Fourth Proportional to 2,152,642.86, 2,970,662.31 and 1,234,912.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152,642.86 : 2,970,662.31 = 1,234,912.05 : x
2. Step 2: Convert to fraction form
   2,152,642.86/2,970,662.31 = 1,234,912.05/x
3. Step 3: Cross multiply
   2,152,642.86x = 2,970,662.31 × 1,234,912.05
4. Step 4: Simplify right side
   2,152,642.86x = 3,668,506,683,099.84
5. Step 5: Solve for x
   x = 3,668,506,683,099.84/2,152,642.86
6. Step 6: Final answer
   x = 1,704,187.33