Finding the Fourth Proportional to 1,088,789.76, 1,502,579.88 and 605,404.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,088,789.76 : 1,502,579.88 = 605,404.56 : x
2. Step 2: Convert to fraction form
   1,088,789.76/1,502,579.88 = 605,404.56/x
3. Step 3: Cross multiply
   1,088,789.76x = 1,502,579.88 × 605,404.56
4. Step 4: Simplify right side
   1,088,789.76x = 909,668,711,116.25
5. Step 5: Solve for x
   x = 909,668,711,116.25/1,088,789.76
6. Step 6: Final answer
   x = 835,486.10