Finding the Fourth Proportional to 147,817, 221,727.42 and 49,321

Step by Step Solution

1. Step 1: Write the proportion equation
   147,817 : 221,727.42 = 49,321 : x
2. Step 2: Convert to fraction form
   147,817/221,727.42 = 49,321/x
3. Step 3: Cross multiply
   147,817x = 221,727.42 × 49,321
4. Step 4: Simplify right side
   147,817x = 10,935,818,081.82
5. Step 5: Solve for x
   x = 10,935,818,081.82/147,817
6. Step 6: Final answer
   x = 73,982.14