Finding the Fourth Proportional to 73,893.69, 101,892.63 and 49,978.83

Step by Step Solution

1. Step 1: Write the proportion equation
   73,893.69 : 101,892.63 = 49,978.83 : x
2. Step 2: Convert to fraction form
   73,893.69/101,892.63 = 49,978.83/x
3. Step 3: Cross multiply
   73,893.69x = 101,892.63 × 49,978.83
4. Step 4: Simplify right side
   73,893.69x = 5,092,474,433.02
5. Step 5: Solve for x
   x = 5,092,474,433.02/73,893.69
6. Step 6: Final answer
   x = 68,916.23