Finding the Fourth Proportional to 53,939.34, 74,433.78 and 30,068.28

Step by Step Solution

1. Step 1: Write the proportion equation
   53,939.34 : 74,433.78 = 30,068.28 : x
2. Step 2: Convert to fraction form
   53,939.34/74,433.78 = 30,068.28/x
3. Step 3: Cross multiply
   53,939.34x = 74,433.78 × 30,068.28
4. Step 4: Simplify right side
   53,939.34x = 2,238,095,738.50
5. Step 5: Solve for x
   x = 2,238,095,738.50/53,939.34
6. Step 6: Final answer
   x = 41,492.83