Finding the Fourth Proportional to 502,819.50, 754,081.62 and 147,749.10

Step by Step Solution

1. Step 1: Write the proportion equation
   502,819.50 : 754,081.62 = 147,749.10 : x
2. Step 2: Convert to fraction form
   502,819.50/754,081.62 = 147,749.10/x
3. Step 3: Cross multiply
   502,819.50x = 754,081.62 × 147,749.10
4. Step 4: Simplify right side
   502,819.50x = 111,414,880,681.54
5. Step 5: Solve for x
   x = 111,414,880,681.54/502,819.50
6. Step 6: Final answer
   x = 221,580.27