Finding the Fourth Proportional to 28,051.86, 42,077.42 and 8,061.82

Step by Step Solution

1. Step 1: Write the proportion equation
   28,051.86 : 42,077.42 = 8,061.82 : x
2. Step 2: Convert to fraction form
   28,051.86/42,077.42 = 8,061.82/x
3. Step 3: Cross multiply
   28,051.86x = 42,077.42 × 8,061.82
4. Step 4: Simplify right side
   28,051.86x = 339,220,586.10
5. Step 5: Solve for x
   x = 339,220,586.10/28,051.86
6. Step 6: Final answer
   x = 12,092.62