Finding the Fourth Proportional to 61,050.72, 91,585.26 and 21,608.22

Step by Step Solution

1. Step 1: Write the proportion equation
   61,050.72 : 91,585.26 = 21,608.22 : x
2. Step 2: Convert to fraction form
   61,050.72/91,585.26 = 21,608.22/x
3. Step 3: Cross multiply
   61,050.72x = 91,585.26 × 21,608.22
4. Step 4: Simplify right side
   61,050.72x = 1,978,994,446.84
5. Step 5: Solve for x
   x = 1,978,994,446.84/61,050.72
6. Step 6: Final answer
   x = 32,415.58