Finding the Fourth Proportional to 68,300.63, 102,426.33 and 28,860.82

Step by Step Solution

1. Step 1: Write the proportion equation
   68,300.63 : 102,426.33 = 28,860.82 : x
2. Step 2: Convert to fraction form
   68,300.63/102,426.33 = 28,860.82/x
3. Step 3: Cross multiply
   68,300.63x = 102,426.33 × 28,860.82
4. Step 4: Simplify right side
   68,300.63x = 2,956,107,725.55
5. Step 5: Solve for x
   x = 2,956,107,725.55/68,300.63
6. Step 6: Final answer
   x = 43,280.83