Finding the Fourth Proportional to 50,426.45, 69,588.76 and 28,917.01

Step by Step Solution

1. Step 1: Write the proportion equation
   50,426.45 : 69,588.76 = 28,917.01 : x
2. Step 2: Convert to fraction form
   50,426.45/69,588.76 = 28,917.01/x
3. Step 3: Cross multiply
   50,426.45x = 69,588.76 × 28,917.01
4. Step 4: Simplify right side
   50,426.45x = 2,012,298,820.48
5. Step 5: Solve for x
   x = 2,012,298,820.48/50,426.45
6. Step 6: Final answer
   x = 39,905.62