Finding the Fourth Proportional to 22,577.69, 31,156.86 and 12,368.64

Step by Step Solution

1. Step 1: Write the proportion equation
   22,577.69 : 31,156.86 = 12,368.64 : x
2. Step 2: Convert to fraction form
   22,577.69/31,156.86 = 12,368.64/x
3. Step 3: Cross multiply
   22,577.69x = 31,156.86 × 12,368.64
4. Step 4: Simplify right side
   22,577.69x = 385,367,845.14
5. Step 5: Solve for x
   x = 385,367,845.14/22,577.69
6. Step 6: Final answer
   x = 17,068.53