Finding the Fourth Proportional to 17,980.02, 26,774.15 and 17,783.49

Step by Step Solution

1. Step 1: Write the proportion equation
   17,980.02 : 26,774.15 = 17,783.49 : x
2. Step 2: Convert to fraction form
   17,980.02/26,774.15 = 17,783.49/x
3. Step 3: Cross multiply
   17,980.02x = 26,774.15 × 17,783.49
4. Step 4: Simplify right side
   17,980.02x = 476,137,828.78
5. Step 5: Solve for x
   x = 476,137,828.78/17,980.02
6. Step 6: Final answer
   x = 26,481.50