Finding the Fourth Proportional to 2,931,680.60, 4,397,404.82 and 1,225,383.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,931,680.60 : 4,397,404.82 = 1,225,383.20 : x
2. Step 2: Convert to fraction form
   2,931,680.60/4,397,404.82 = 1,225,383.20/x
3. Step 3: Cross multiply
   2,931,680.60x = 4,397,404.82 × 1,225,383.20
4. Step 4: Simplify right side
   2,931,680.60x = 5,388,505,990,027.02
5. Step 5: Solve for x
   x = 5,388,505,990,027.02/2,931,680.60
6. Step 6: Final answer
   x = 1,838,026.28