Finding the Fourth Proportional to 72,316.52, 108,434.17 and 49,546.07

Step by Step Solution

1. Step 1: Write the proportion equation
   72,316.52 : 108,434.17 = 49,546.07 : x
2. Step 2: Convert to fraction form
   72,316.52/108,434.17 = 49,546.07/x
3. Step 3: Cross multiply
   72,316.52x = 108,434.17 × 49,546.07
4. Step 4: Simplify right side
   72,316.52x = 5,372,486,977.21
5. Step 5: Solve for x
   x = 5,372,486,977.21/72,316.52
6. Step 6: Final answer
   x = 74,291.28