Finding the Fourth Proportional to 72,930.38, 109,428.50 and 41,765.63

Step by Step Solution

1. Step 1: Write the proportion equation
   72,930.38 : 109,428.50 = 41,765.63 : x
2. Step 2: Convert to fraction form
   72,930.38/109,428.50 = 41,765.63/x
3. Step 3: Cross multiply
   72,930.38x = 109,428.50 × 41,765.63
4. Step 4: Simplify right side
   72,930.38x = 4,570,349,799.73
5. Step 5: Solve for x
   x = 4,570,349,799.73/72,930.38
6. Step 6: Final answer
   x = 62,667.30