Finding the Fourth Proportional to 22,976.58, 31,706.22 and 12,904.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,976.58 : 31,706.22 = 12,904.76 : x
2. Step 2: Convert to fraction form
   22,976.58/31,706.22 = 12,904.76/x
3. Step 3: Cross multiply
   22,976.58x = 31,706.22 × 12,904.76
4. Step 4: Simplify right side
   22,976.58x = 409,161,159.61
5. Step 5: Solve for x
   x = 409,161,159.61/22,976.58
6. Step 6: Final answer
   x = 17,807.75