Finding the Fourth Proportional to 61,062.57, 91,567.22 and 21,606.57

Step by Step Solution

1. Step 1: Write the proportion equation
   61,062.57 : 91,567.22 = 21,606.57 : x
2. Step 2: Convert to fraction form
   61,062.57/91,567.22 = 21,606.57/x
3. Step 3: Cross multiply
   61,062.57x = 91,567.22 × 21,606.57
4. Step 4: Simplify right side
   61,062.57x = 1,978,453,440.60
5. Step 5: Solve for x
   x = 1,978,453,440.60/61,062.57
6. Step 6: Final answer
   x = 32,400.43