Finding the Fourth Proportional to 861,426.82, 1,188,780.33 and 474,287.30

Step by Step Solution

1. Step 1: Write the proportion equation
   861,426.82 : 1,188,780.33 = 474,287.30 : x
2. Step 2: Convert to fraction form
   861,426.82/1,188,780.33 = 474,287.30/x
3. Step 3: Cross multiply
   861,426.82x = 1,188,780.33 × 474,287.30
4. Step 4: Simplify right side
   861,426.82x = 563,823,413,008.81
5. Step 5: Solve for x
   x = 563,823,413,008.81/861,426.82
6. Step 6: Final answer
   x = 654,522.71