Finding the Fourth Proportional to 69,190.82, 103,407.14 and 50,510.20

Step by Step Solution

1. Step 1: Write the proportion equation
   69,190.82 : 103,407.14 = 50,510.20 : x
2. Step 2: Convert to fraction form
   69,190.82/103,407.14 = 50,510.20/x
3. Step 3: Cross multiply
   69,190.82x = 103,407.14 × 50,510.20
4. Step 4: Simplify right side
   69,190.82x = 5,223,114,938.03
5. Step 5: Solve for x
   x = 5,223,114,938.03/69,190.82
6. Step 6: Final answer
   x = 75,488.55