Finding the Fourth Proportional to 94,728.42, 142,116.18 and 28,168.46

Step by Step Solution

1. Step 1: Write the proportion equation
   94,728.42 : 142,116.18 = 28,168.46 : x
2. Step 2: Convert to fraction form
   94,728.42/142,116.18 = 28,168.46/x
3. Step 3: Cross multiply
   94,728.42x = 142,116.18 × 28,168.46
4. Step 4: Simplify right side
   94,728.42x = 4,003,193,931.68
5. Step 5: Solve for x
   x = 4,003,193,931.68/94,728.42
6. Step 6: Final answer
   x = 42,259.69