Finding the Fourth Proportional to 139,693.68, 209,537.01 and 34,513.56

Step by Step Solution

1. Step 1: Write the proportion equation
   139,693.68 : 209,537.01 = 34,513.56 : x
2. Step 2: Convert to fraction form
   139,693.68/209,537.01 = 34,513.56/x
3. Step 3: Cross multiply
   139,693.68x = 209,537.01 × 34,513.56
4. Step 4: Simplify right side
   139,693.68x = 7,231,868,166.86
5. Step 5: Solve for x
   x = 7,231,868,166.86/139,693.68
6. Step 6: Final answer
   x = 51,769.47