Finding the Fourth Proportional to 74,399.98, 111,600.86 and 21,810.54

Step by Step Solution

1. Step 1: Write the proportion equation
   74,399.98 : 111,600.86 = 21,810.54 : x
2. Step 2: Convert to fraction form
   74,399.98/111,600.86 = 21,810.54/x
3. Step 3: Cross multiply
   74,399.98x = 111,600.86 × 21,810.54
4. Step 4: Simplify right side
   74,399.98x = 2,434,075,021.06
5. Step 5: Solve for x
   x = 2,434,075,021.06/74,399.98
6. Step 6: Final answer
   x = 32,716.07