Finding the Fourth Proportional to 139,883.07, 210,007.52 and 83,060.73

Step by Step Solution

1. Step 1: Write the proportion equation
   139,883.07 : 210,007.52 = 83,060.73 : x
2. Step 2: Convert to fraction form
   139,883.07/210,007.52 = 83,060.73/x
3. Step 3: Cross multiply
   139,883.07x = 210,007.52 × 83,060.73
4. Step 4: Simplify right side
   139,883.07x = 17,443,377,916.69
5. Step 5: Solve for x
   x = 17,443,377,916.69/139,883.07
6. Step 6: Final answer
   x = 124,699.71