Finding the Fourth Proportional to 72,410.09, 99,907.16 and 43,707.06

Step by Step Solution

1. Step 1: Write the proportion equation
   72,410.09 : 99,907.16 = 43,707.06 : x
2. Step 2: Convert to fraction form
   72,410.09/99,907.16 = 43,707.06/x
3. Step 3: Cross multiply
   72,410.09x = 99,907.16 × 43,707.06
4. Step 4: Simplify right side
   72,410.09x = 4,366,648,018.01
5. Step 5: Solve for x
   x = 4,366,648,018.01/72,410.09
6. Step 6: Final answer
   x = 60,304.42