Finding the Fourth Proportional to 73,504.49, 101,493.32 and 56,481.89

Step by Step Solution

1. Step 1: Write the proportion equation
   73,504.49 : 101,493.32 = 56,481.89 : x
2. Step 2: Convert to fraction form
   73,504.49/101,493.32 = 56,481.89/x
3. Step 3: Cross multiply
   73,504.49x = 101,493.32 × 56,481.89
4. Step 4: Simplify right side
   73,504.49x = 5,732,533,746.10
5. Step 5: Solve for x
   x = 5,732,533,746.10/73,504.49
6. Step 6: Final answer
   x = 77,988.90