Finding the Fourth Proportional to 73,426.50, 101,328.57 and 39,892.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,426.50 : 101,328.57 = 39,892.50 : x
2. Step 2: Convert to fraction form
   73,426.50/101,328.57 = 39,892.50/x
3. Step 3: Cross multiply
   73,426.50x = 101,328.57 × 39,892.50
4. Step 4: Simplify right side
   73,426.50x = 4,042,249,978.73
5. Step 5: Solve for x
   x = 4,042,249,978.73/73,426.50
6. Step 6: Final answer
   x = 55,051.65