Finding the Fourth Proportional to 94,972.72, 142,465.83 and 28,407.46

Step by Step Solution

1. Step 1: Write the proportion equation
   94,972.72 : 142,465.83 = 28,407.46 : x
2. Step 2: Convert to fraction form
   94,972.72/142,465.83 = 28,407.46/x
3. Step 3: Cross multiply
   94,972.72x = 142,465.83 × 28,407.46
4. Step 4: Simplify right side
   94,972.72x = 4,047,092,367.09
5. Step 5: Solve for x
   x = 4,047,092,367.09/94,972.72
6. Step 6: Final answer
   x = 42,613.21