Finding the Fourth Proportional to 61,182.53, 91,791.56 and 21,742.71

Step by Step Solution

1. Step 1: Write the proportion equation
   61,182.53 : 91,791.56 = 21,742.71 : x
2. Step 2: Convert to fraction form
   61,182.53/91,791.56 = 21,742.71/x
3. Step 3: Cross multiply
   61,182.53x = 91,791.56 × 21,742.71
4. Step 4: Simplify right side
   61,182.53x = 1,995,797,160.81
5. Step 5: Solve for x
   x = 1,995,797,160.81/61,182.53
6. Step 6: Final answer
   x = 32,620.38