Finding the Fourth Proportional to 254,099.69, 350,656.59 and 157,284.25

Step by Step Solution

1. Step 1: Write the proportion equation
   254,099.69 : 350,656.59 = 157,284.25 : x
2. Step 2: Convert to fraction form
   254,099.69/350,656.59 = 157,284.25/x
3. Step 3: Cross multiply
   254,099.69x = 350,656.59 × 157,284.25
4. Step 4: Simplify right side
   254,099.69x = 55,152,759,158.92
5. Step 5: Solve for x
   x = 55,152,759,158.92/254,099.69
6. Step 6: Final answer
   x = 217,051.66