Finding the Fourth Proportional to 2,121,105.74, 3,181,688.24 and 604,789.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,121,105.74 : 3,181,688.24 = 604,789.25 : x
2. Step 2: Convert to fraction form
   2,121,105.74/3,181,688.24 = 604,789.25/x
3. Step 3: Cross multiply
   2,121,105.74x = 3,181,688.24 × 604,789.25
4. Step 4: Simplify right side
   2,121,105.74x = 1,924,250,825,471.03
5. Step 5: Solve for x
   x = 1,924,250,825,471.03/2,121,105.74
6. Step 6: Final answer
   x = 907,192.32