Finding the Fourth Proportional to 72,471.93, 108,500.54 and 49,056.45

Step by Step Solution

1. Step 1: Write the proportion equation
   72,471.93 : 108,500.54 = 49,056.45 : x
2. Step 2: Convert to fraction form
   72,471.93/108,500.54 = 49,056.45/x
3. Step 3: Cross multiply
   72,471.93x = 108,500.54 × 49,056.45
4. Step 4: Simplify right side
   72,471.93x = 5,322,651,070.20
5. Step 5: Solve for x
   x = 5,322,651,070.20/72,471.93
6. Step 6: Final answer
   x = 73,444.31