Finding the Fourth Proportional to 60,741.92, 91,113.69 and 21,300.18

Step by Step Solution

1. Step 1: Write the proportion equation
   60,741.92 : 91,113.69 = 21,300.18 : x
2. Step 2: Convert to fraction form
   60,741.92/91,113.69 = 21,300.18/x
3. Step 3: Cross multiply
   60,741.92x = 91,113.69 × 21,300.18
4. Step 4: Simplify right side
   60,741.92x = 1,940,737,997.46
5. Step 5: Solve for x
   x = 1,940,737,997.46/60,741.92
6. Step 6: Final answer
   x = 31,950.56