Finding the Fourth Proportional to 28,071.86, 42,166.10 and 22,269.02

Step by Step Solution

1. Step 1: Write the proportion equation
   28,071.86 : 42,166.10 = 22,269.02 : x
2. Step 2: Convert to fraction form
   28,071.86/42,166.10 = 22,269.02/x
3. Step 3: Cross multiply
   28,071.86x = 42,166.10 × 22,269.02
4. Step 4: Simplify right side
   28,071.86x = 938,997,724.22
5. Step 5: Solve for x
   x = 938,997,724.22/28,071.86
6. Step 6: Final answer
   x = 33,449.79