Finding the Fourth Proportional to 67,897.89, 93,710.36 and 39,603.59

Step by Step Solution

1. Step 1: Write the proportion equation
   67,897.89 : 93,710.36 = 39,603.59 : x
2. Step 2: Convert to fraction form
   67,897.89/93,710.36 = 39,603.59/x
3. Step 3: Cross multiply
   67,897.89x = 93,710.36 × 39,603.59
4. Step 4: Simplify right side
   67,897.89x = 3,711,266,009.62
5. Step 5: Solve for x
   x = 3,711,266,009.62/67,897.89
6. Step 6: Final answer
   x = 54,659.52