Finding the Fourth Proportional to 813,105.07, 1,122,054.73 and 468,955.42

Step by Step Solution

1. Step 1: Write the proportion equation
   813,105.07 : 1,122,054.73 = 468,955.42 : x
2. Step 2: Convert to fraction form
   813,105.07/1,122,054.73 = 468,955.42/x
3. Step 3: Cross multiply
   813,105.07x = 1,122,054.73 × 468,955.42
4. Step 4: Simplify right side
   813,105.07x = 526,193,643,192.61
5. Step 5: Solve for x
   x = 526,193,643,192.61/813,105.07
6. Step 6: Final answer
   x = 647,141.02