Finding the Fourth Proportional to 49,870.07, 68,823.33 and 28,650.70

Step by Step Solution

1. Step 1: Write the proportion equation
   49,870.07 : 68,823.33 = 28,650.70 : x
2. Step 2: Convert to fraction form
   49,870.07/68,823.33 = 28,650.70/x
3. Step 3: Cross multiply
   49,870.07x = 68,823.33 × 28,650.70
4. Step 4: Simplify right side
   49,870.07x = 1,971,836,580.83
5. Step 5: Solve for x
   x = 1,971,836,580.83/49,870.07
6. Step 6: Final answer
   x = 39,539.48