Finding the Fourth Proportional to 72,483.50, 108,798.96 and 49,995.74

Step by Step Solution

1. Step 1: Write the proportion equation
   72,483.50 : 108,798.96 = 49,995.74 : x
2. Step 2: Convert to fraction form
   72,483.50/108,798.96 = 49,995.74/x
3. Step 3: Cross multiply
   72,483.50x = 108,798.96 × 49,995.74
4. Step 4: Simplify right side
   72,483.50x = 5,439,484,516.43
5. Step 5: Solve for x
   x = 5,439,484,516.43/72,483.50
6. Step 6: Final answer
   x = 75,044.45