Finding the Fourth Proportional to 28,241.89, 42,349.69 and 10,471.83

Step by Step Solution

1. Step 1: Write the proportion equation
   28,241.89 : 42,349.69 = 10,471.83 : x
2. Step 2: Convert to fraction form
   28,241.89/42,349.69 = 10,471.83/x
3. Step 3: Cross multiply
   28,241.89x = 42,349.69 × 10,471.83
4. Step 4: Simplify right side
   28,241.89x = 443,478,787.82
5. Step 5: Solve for x
   x = 443,478,787.82/28,241.89
6. Step 6: Final answer
   x = 15,702.87