Finding the Fourth Proportional to 72,069.14, 99,460.04 and 40,238.03

Step by Step Solution

1. Step 1: Write the proportion equation
   72,069.14 : 99,460.04 = 40,238.03 : x
2. Step 2: Convert to fraction form
   72,069.14/99,460.04 = 40,238.03/x
3. Step 3: Cross multiply
   72,069.14x = 99,460.04 × 40,238.03
4. Step 4: Simplify right side
   72,069.14x = 4,002,075,374.83
5. Step 5: Solve for x
   x = 4,002,075,374.83/72,069.14
6. Step 6: Final answer
   x = 55,531.06