Finding the Fourth Proportional to 139,841.33, 209,792.37 and 51,094.70

Step by Step Solution

1. Step 1: Write the proportion equation
   139,841.33 : 209,792.37 = 51,094.70 : x
2. Step 2: Convert to fraction form
   139,841.33/209,792.37 = 51,094.70/x
3. Step 3: Cross multiply
   139,841.33x = 209,792.37 × 51,094.70
4. Step 4: Simplify right side
   139,841.33x = 10,719,277,158.48
5. Step 5: Solve for x
   x = 10,719,277,158.48/139,841.33
6. Step 6: Final answer
   x = 76,653.14