Finding the Fourth Proportional to 49,059.04, 73,566.72 and 13,990.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,059.04 : 73,566.72 = 13,990.50 : x
2. Step 2: Convert to fraction form
   49,059.04/73,566.72 = 13,990.50/x
3. Step 3: Cross multiply
   49,059.04x = 73,566.72 × 13,990.50
4. Step 4: Simplify right side
   49,059.04x = 1,029,235,196.16
5. Step 5: Solve for x
   x = 1,029,235,196.16/49,059.04
6. Step 6: Final answer
   x = 20,979.52