Finding the Fourth Proportional to 25,279.42, 37,888.38 and 17,886.01

Step by Step Solution

1. Step 1: Write the proportion equation
   25,279.42 : 37,888.38 = 17,886.01 : x
2. Step 2: Convert to fraction form
   25,279.42/37,888.38 = 17,886.01/x
3. Step 3: Cross multiply
   25,279.42x = 37,888.38 × 17,886.01
4. Step 4: Simplify right side
   25,279.42x = 677,671,943.56
5. Step 5: Solve for x
   x = 677,671,943.56/25,279.42
6. Step 6: Final answer
   x = 26,807.26