Finding the Fourth Proportional to 454,019.48, 626,541 and 250,066.52

Step by Step Solution

1. Step 1: Write the proportion equation
   454,019.48 : 626,541 = 250,066.52 : x
2. Step 2: Convert to fraction form
   454,019.48/626,541 = 250,066.52/x
3. Step 3: Cross multiply
   454,019.48x = 626,541 × 250,066.52
4. Step 4: Simplify right side
   454,019.48x = 156,676,927,507.32
5. Step 5: Solve for x
   x = 156,676,927,507.32/454,019.48
6. Step 6: Final answer
   x = 345,088.56