Finding the Fourth Proportional to 50,868.02, 70,196.61 and 28,207.10

Step by Step Solution

1. Step 1: Write the proportion equation
   50,868.02 : 70,196.61 = 28,207.10 : x
2. Step 2: Convert to fraction form
   50,868.02/70,196.61 = 28,207.10/x
3. Step 3: Cross multiply
   50,868.02x = 70,196.61 × 28,207.10
4. Step 4: Simplify right side
   50,868.02x = 1,980,042,797.93
5. Step 5: Solve for x
   x = 1,980,042,797.93/50,868.02
6. Step 6: Final answer
   x = 38,925.10