Finding the Fourth Proportional to 72,699, 100,326.24 and 44,420.28

Step by Step Solution

1. Step 1: Write the proportion equation
   72,699 : 100,326.24 = 44,420.28 : x
2. Step 2: Convert to fraction form
   72,699/100,326.24 = 44,420.28/x
3. Step 3: Cross multiply
   72,699x = 100,326.24 × 44,420.28
4. Step 4: Simplify right side
   72,699x = 4,456,519,672.15
5. Step 5: Solve for x
   x = 4,456,519,672.15/72,699
6. Step 6: Final answer
   x = 61,300.98