Finding the Fourth Proportional to 67,720.38, 93,456.93 and 37,505.72

Step by Step Solution

1. Step 1: Write the proportion equation
   67,720.38 : 93,456.93 = 37,505.72 : x
2. Step 2: Convert to fraction form
   67,720.38/93,456.93 = 37,505.72/x
3. Step 3: Cross multiply
   67,720.38x = 93,456.93 × 37,505.72
4. Step 4: Simplify right side
   67,720.38x = 3,505,169,427.79
5. Step 5: Solve for x
   x = 3,505,169,427.79/67,720.38
6. Step 6: Final answer
   x = 51,759.45