Finding the Fourth Proportional to 94,933.48, 142,398.84 and 28,372.12

Step by Step Solution

1. Step 1: Write the proportion equation
   94,933.48 : 142,398.84 = 28,372.12 : x
2. Step 2: Convert to fraction form
   94,933.48/142,398.84 = 28,372.12/x
3. Step 3: Cross multiply
   94,933.48x = 142,398.84 × 28,372.12
4. Step 4: Simplify right side
   94,933.48x = 4,040,156,976.34
5. Step 5: Solve for x
   x = 4,040,156,976.34/94,933.48
6. Step 6: Final answer
   x = 42,557.77