Finding the Fourth Proportional to 61,007.40, 91,513.94 and 21,568.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,007.40 : 91,513.94 = 21,568.50 : x
2. Step 2: Convert to fraction form
   61,007.40/91,513.94 = 21,568.50/x
3. Step 3: Cross multiply
   61,007.40x = 91,513.94 × 21,568.50
4. Step 4: Simplify right side
   61,007.40x = 1,973,818,307.05
5. Step 5: Solve for x
   x = 1,973,818,307.05/61,007.40
6. Step 6: Final answer
   x = 32,353.75