Finding the Fourth Proportional to 72,994.72, 100,725.16 and 53,884.64

Step by Step Solution

1. Step 1: Write the proportion equation
   72,994.72 : 100,725.16 = 53,884.64 : x
2. Step 2: Convert to fraction form
   72,994.72/100,725.16 = 53,884.64/x
3. Step 3: Cross multiply
   72,994.72x = 100,725.16 × 53,884.64
4. Step 4: Simplify right side
   72,994.72x = 5,427,538,985.54
5. Step 5: Solve for x
   x = 5,427,538,985.54/72,994.72
6. Step 6: Final answer
   x = 74,355.23