Finding the Fourth Proportional to 808,853.31, 1,116,316.42 and 464,688.59

Step by Step Solution

1. Step 1: Write the proportion equation
   808,853.31 : 1,116,316.42 = 464,688.59 : x
2. Step 2: Convert to fraction form
   808,853.31/1,116,316.42 = 464,688.59/x
3. Step 3: Cross multiply
   808,853.31x = 1,116,316.42 × 464,688.59
4. Step 4: Simplify right side
   808,853.31x = 518,739,496,460.34
5. Step 5: Solve for x
   x = 518,739,496,460.34/808,853.31
6. Step 6: Final answer
   x = 641,327.04