Finding the Fourth Proportional to 139,843.33, 209,795.37 and 51,096.70

Step by Step Solution

1. Step 1: Write the proportion equation
   139,843.33 : 209,795.37 = 51,096.70 : x
2. Step 2: Convert to fraction form
   139,843.33/209,795.37 = 51,096.70/x
3. Step 3: Cross multiply
   139,843.33x = 209,795.37 × 51,096.70
4. Step 4: Simplify right side
   139,843.33x = 10,719,851,082.28
5. Step 5: Solve for x
   x = 10,719,851,082.28/139,843.33
6. Step 6: Final answer
   x = 76,656.15