Finding the Fourth Proportional to 60,792.72, 91,021.14 and 31,146.72

Step by Step Solution

1. Step 1: Write the proportion equation
   60,792.72 : 91,021.14 = 31,146.72 : x
2. Step 2: Convert to fraction form
   60,792.72/91,021.14 = 31,146.72/x
3. Step 3: Cross multiply
   60,792.72x = 91,021.14 × 31,146.72
4. Step 4: Simplify right side
   60,792.72x = 2,835,009,961.66
5. Step 5: Solve for x
   x = 2,835,009,961.66/60,792.72
6. Step 6: Final answer
   x = 46,634.04