Finding the Fourth Proportional to 61,043.22, 91,574.01 and 21,600.72

Step by Step Solution

1. Step 1: Write the proportion equation
   61,043.22 : 91,574.01 = 21,600.72 : x
2. Step 2: Convert to fraction form
   61,043.22/91,574.01 = 21,600.72/x
3. Step 3: Cross multiply
   61,043.22x = 91,574.01 × 21,600.72
4. Step 4: Simplify right side
   61,043.22x = 1,978,064,549.29
5. Step 5: Solve for x
   x = 1,978,064,549.29/61,043.22
6. Step 6: Final answer
   x = 32,404.33