Finding the Fourth Proportional to 451,496, 623,064.56 and 250,292

Step by Step Solution

1. Step 1: Write the proportion equation
   451,496 : 623,064.56 = 250,292 : x
2. Step 2: Convert to fraction form
   451,496/623,064.56 = 250,292/x
3. Step 3: Cross multiply
   451,496x = 623,064.56 × 250,292
4. Step 4: Simplify right side
   451,496x = 155,948,074,851.52
5. Step 5: Solve for x
   x = 155,948,074,851.52/451,496
6. Step 6: Final answer
   x = 345,403.00