Finding the Fourth Proportional to 1,615,267.79, 2,229,084.29 and 890,141.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,615,267.79 : 2,229,084.29 = 890,141.52 : x
2. Step 2: Convert to fraction form
   1,615,267.79/2,229,084.29 = 890,141.52/x
3. Step 3: Cross multiply
   1,615,267.79x = 2,229,084.29 × 890,141.52
4. Step 4: Simplify right side
   1,615,267.79x = 1,984,200,478,108.72
5. Step 5: Solve for x
   x = 1,984,200,478,108.72/1,615,267.79
6. Step 6: Final answer
   x = 1,228,403.42