Finding the Fourth Proportional to 806,404.32, 1,112,838.06 and 438,882.84

Step by Step Solution

1. Step 1: Write the proportion equation
   806,404.32 : 1,112,838.06 = 438,882.84 : x
2. Step 2: Convert to fraction form
   806,404.32/1,112,838.06 = 438,882.84/x
3. Step 3: Cross multiply
   806,404.32x = 1,112,838.06 × 438,882.84
4. Step 4: Simplify right side
   806,404.32x = 488,405,528,232.89
5. Step 5: Solve for x
   x = 488,405,528,232.89/806,404.32
6. Step 6: Final answer
   x = 605,658.37