Finding the Fourth Proportional to 17,985.46, 26,978.12 and 4,837.82

Step by Step Solution

1. Step 1: Write the proportion equation
   17,985.46 : 26,978.12 = 4,837.82 : x
2. Step 2: Convert to fraction form
   17,985.46/26,978.12 = 4,837.82/x
3. Step 3: Cross multiply
   17,985.46x = 26,978.12 × 4,837.82
4. Step 4: Simplify right side
   17,985.46x = 130,515,288.50
5. Step 5: Solve for x
   x = 130,515,288.50/17,985.46
6. Step 6: Final answer
   x = 7,256.71