Finding the Fourth Proportional to 72,253.37, 99,804.98 and 55,465.09

Step by Step Solution

1. Step 1: Write the proportion equation
   72,253.37 : 99,804.98 = 55,465.09 : x
2. Step 2: Convert to fraction form
   72,253.37/99,804.98 = 55,465.09/x
3. Step 3: Cross multiply
   72,253.37x = 99,804.98 × 55,465.09
4. Step 4: Simplify right side
   72,253.37x = 5,535,692,087.30
5. Step 5: Solve for x
   x = 5,535,692,087.30/72,253.37
6. Step 6: Final answer
   x = 76,615.00