Finding the Fourth Proportional to 60,790.80, 91,196.28 and 21,337.68

Step by Step Solution

1. Step 1: Write the proportion equation
   60,790.80 : 91,196.28 = 21,337.68 : x
2. Step 2: Convert to fraction form
   60,790.80/91,196.28 = 21,337.68/x
3. Step 3: Cross multiply
   60,790.80x = 91,196.28 × 21,337.68
4. Step 4: Simplify right side
   60,790.80x = 1,945,917,039.83
5. Step 5: Solve for x
   x = 1,945,917,039.83/60,790.80
6. Step 6: Final answer
   x = 32,010.06