Finding the Fourth Proportional to 72,254.51, 99,744.69 and 42,028.82

Step by Step Solution

1. Step 1: Write the proportion equation
   72,254.51 : 99,744.69 = 42,028.82 : x
2. Step 2: Convert to fraction form
   72,254.51/99,744.69 = 42,028.82/x
3. Step 3: Cross multiply
   72,254.51x = 99,744.69 × 42,028.82
4. Step 4: Simplify right side
   72,254.51x = 4,192,151,123.24
5. Step 5: Solve for x
   x = 4,192,151,123.24/72,254.51
6. Step 6: Final answer
   x = 58,019.24