Finding the Fourth Proportional to 801,242.47, 1,105,776.02 and 457,085.98

Step by Step Solution

1. Step 1: Write the proportion equation
   801,242.47 : 1,105,776.02 = 457,085.98 : x
2. Step 2: Convert to fraction form
   801,242.47/1,105,776.02 = 457,085.98/x
3. Step 3: Cross multiply
   801,242.47x = 1,105,776.02 × 457,085.98
4. Step 4: Simplify right side
   801,242.47x = 505,434,710,233.32
5. Step 5: Solve for x
   x = 505,434,710,233.32/801,242.47
6. Step 6: Final answer
   x = 630,813.68