Finding the Fourth Proportional to 53,904.38, 74,381.59 and 30,933.02

Step by Step Solution

1. Step 1: Write the proportion equation
   53,904.38 : 74,381.59 = 30,933.02 : x
2. Step 2: Convert to fraction form
   53,904.38/74,381.59 = 30,933.02/x
3. Step 3: Cross multiply
   53,904.38x = 74,381.59 × 30,933.02
4. Step 4: Simplify right side
   53,904.38x = 2,300,846,761.86
5. Step 5: Solve for x
   x = 2,300,846,761.86/53,904.38
6. Step 6: Final answer
   x = 42,683.86