Finding the Fourth Proportional to 272,103.78, 408,159.82 and 103,633.46

Step by Step Solution

1. Step 1: Write the proportion equation
   272,103.78 : 408,159.82 = 103,633.46 : x
2. Step 2: Convert to fraction form
   272,103.78/408,159.82 = 103,633.46/x
3. Step 3: Cross multiply
   272,103.78x = 408,159.82 × 103,633.46
4. Step 4: Simplify right side
   272,103.78x = 42,299,014,379.58
5. Step 5: Solve for x
   x = 42,299,014,379.58/272,103.78
6. Step 6: Final answer
   x = 155,451.77