Finding the Fourth Proportional to 45,612.88, 62,941.18 and 31,284.94

Step by Step Solution

1. Step 1: Write the proportion equation
   45,612.88 : 62,941.18 = 31,284.94 : x
2. Step 2: Convert to fraction form
   45,612.88/62,941.18 = 31,284.94/x
3. Step 3: Cross multiply
   45,612.88x = 62,941.18 × 31,284.94
4. Step 4: Simplify right side
   45,612.88x = 1,969,111,039.83
5. Step 5: Solve for x
   x = 1,969,111,039.83/45,612.88
6. Step 6: Final answer
   x = 43,170.07