Finding the Fourth Proportional to 27,123.01, 37,434.21 and 18,618.12

Step by Step Solution

1. Step 1: Write the proportion equation
   27,123.01 : 37,434.21 = 18,618.12 : x
2. Step 2: Convert to fraction form
   27,123.01/37,434.21 = 18,618.12/x
3. Step 3: Cross multiply
   27,123.01x = 37,434.21 × 18,618.12
4. Step 4: Simplify right side
   27,123.01x = 696,954,613.89
5. Step 5: Solve for x
   x = 696,954,613.89/27,123.01
6. Step 6: Final answer
   x = 25,696.06