Finding the Fourth Proportional to 49,300.08, 73,931.22 and 38,790.78

Step by Step Solution

1. Step 1: Write the proportion equation
   49,300.08 : 73,931.22 = 38,790.78 : x
2. Step 2: Convert to fraction form
   49,300.08/73,931.22 = 38,790.78/x
3. Step 3: Cross multiply
   49,300.08x = 73,931.22 × 38,790.78
4. Step 4: Simplify right side
   49,300.08x = 2,867,849,690.15
5. Step 5: Solve for x
   x = 2,867,849,690.15/49,300.08
6. Step 6: Final answer
   x = 58,171.30