Finding the Fourth Proportional to 94,743.90, 142,091.10 and 28,166.10

Step by Step Solution

1. Step 1: Write the proportion equation
   94,743.90 : 142,091.10 = 28,166.10 : x
2. Step 2: Convert to fraction form
   94,743.90/142,091.10 = 28,166.10/x
3. Step 3: Cross multiply
   94,743.90x = 142,091.10 × 28,166.10
4. Step 4: Simplify right side
   94,743.90x = 4,002,152,131.71
5. Step 5: Solve for x
   x = 4,002,152,131.71/94,743.90
6. Step 6: Final answer
   x = 42,241.79