Finding the Fourth Proportional to 67,552.38, 101,273.86 and 28,139.00

Step by Step Solution

1. Step 1: Write the proportion equation
   67,552.38 : 101,273.86 = 28,139.00 : x
2. Step 2: Convert to fraction form
   67,552.38/101,273.86 = 28,139.00/x
3. Step 3: Cross multiply
   67,552.38x = 101,273.86 × 28,139.00
4. Step 4: Simplify right side
   67,552.38x = 2,849,744,675.34
5. Step 5: Solve for x
   x = 2,849,744,675.34/67,552.38
6. Step 6: Final answer
   x = 42,185.70