Finding the Fourth Proportional to 885,456.56, 1,221,924.34 and 503,483.34

Step by Step Solution

1. Step 1: Write the proportion equation
   885,456.56 : 1,221,924.34 = 503,483.34 : x
2. Step 2: Convert to fraction form
   885,456.56/1,221,924.34 = 503,483.34/x
3. Step 3: Cross multiply
   885,456.56x = 1,221,924.34 × 503,483.34
4. Step 4: Simplify right side
   885,456.56x = 615,218,547,930.50
5. Step 5: Solve for x
   x = 615,218,547,930.50/885,456.56
6. Step 6: Final answer
   x = 694,803.76