Finding the Fourth Proportional to 281,141.86, 421,646.55 and 103,552.42

Step by Step Solution

1. Step 1: Write the proportion equation
   281,141.86 : 421,646.55 = 103,552.42 : x
2. Step 2: Convert to fraction form
   281,141.86/421,646.55 = 103,552.42/x
3. Step 3: Cross multiply
   281,141.86x = 421,646.55 × 103,552.42
4. Step 4: Simplify right side
   281,141.86x = 43,662,520,637.15
5. Step 5: Solve for x
   x = 43,662,520,637.15/281,141.86
6. Step 6: Final answer
   x = 155,304.23