Finding the Fourth Proportional to 53,505.15, 73,837.88 and 30,843.72

Step by Step Solution

1. Step 1: Write the proportion equation
   53,505.15 : 73,837.88 = 30,843.72 : x
2. Step 2: Convert to fraction form
   53,505.15/73,837.88 = 30,843.72/x
3. Step 3: Cross multiply
   53,505.15x = 73,837.88 × 30,843.72
4. Step 4: Simplify right side
   53,505.15x = 2,277,435,018.79
5. Step 5: Solve for x
   x = 2,277,435,018.79/53,505.15
6. Step 6: Final answer
   x = 42,564.78