Finding the Fourth Proportional to 502,683.06, 754,144.83 and 147,689.22

Step by Step Solution

1. Step 1: Write the proportion equation
   502,683.06 : 754,144.83 = 147,689.22 : x
2. Step 2: Convert to fraction form
   502,683.06/754,144.83 = 147,689.22/x
3. Step 3: Cross multiply
   502,683.06x = 754,144.83 × 147,689.22
4. Step 4: Simplify right side
   502,683.06x = 111,379,061,709.73
5. Step 5: Solve for x
   x = 111,379,061,709.73/502,683.06
6. Step 6: Final answer
   x = 221,569.16