Finding the Fourth Proportional to 23,166.94, 31,970.86 and 13,094.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,166.94 : 31,970.86 = 13,094.78 : x
2. Step 2: Convert to fraction form
   23,166.94/31,970.86 = 13,094.78/x
3. Step 3: Cross multiply
   23,166.94x = 31,970.86 × 13,094.78
4. Step 4: Simplify right side
   23,166.94x = 418,651,322.55
5. Step 5: Solve for x
   x = 418,651,322.55/23,166.94
6. Step 6: Final answer
   x = 18,071.07