Finding the Fourth Proportional to 22,607.91, 31,199.29 and 12,536.77

Step by Step Solution

1. Step 1: Write the proportion equation
   22,607.91 : 31,199.29 = 12,536.77 : x
2. Step 2: Convert to fraction form
   22,607.91/31,199.29 = 12,536.77/x
3. Step 3: Cross multiply
   22,607.91x = 31,199.29 × 12,536.77
4. Step 4: Simplify right side
   22,607.91x = 391,138,322.89
5. Step 5: Solve for x
   x = 391,138,322.89/22,607.91
6. Step 6: Final answer
   x = 17,300.95