Finding the Fourth Proportional to 60,676.11, 91,055.18 and 21,233.57

Step by Step Solution

1. Step 1: Write the proportion equation
   60,676.11 : 91,055.18 = 21,233.57 : x
2. Step 2: Convert to fraction form
   60,676.11/91,055.18 = 21,233.57/x
3. Step 3: Cross multiply
   60,676.11x = 91,055.18 × 21,233.57
4. Step 4: Simplify right side
   60,676.11x = 1,933,426,538.39
5. Step 5: Solve for x
   x = 1,933,426,538.39/60,676.11
6. Step 6: Final answer
   x = 31,864.71