Finding the Fourth Proportional to 94,940, 142,375.95 and 28,367.72

Step by Step Solution

1. Step 1: Write the proportion equation
   94,940 : 142,375.95 = 28,367.72 : x
2. Step 2: Convert to fraction form
   94,940/142,375.95 = 28,367.72/x
3. Step 3: Cross multiply
   94,940x = 142,375.95 × 28,367.72
4. Step 4: Simplify right side
   94,940x = 4,038,881,084.33
5. Step 5: Solve for x
   x = 4,038,881,084.33/94,940
6. Step 6: Final answer
   x = 42,541.41