Finding the Fourth Proportional to 1,978.16, 2,967.68 and 591.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.16 : 2,967.68 = 591.52 : x
2. Step 2: Convert to fraction form
   1,978.16/2,967.68 = 591.52/x
3. Step 3: Cross multiply
   1,978.16x = 2,967.68 × 591.52
4. Step 4: Simplify right side
   1,978.16x = 1,755,442.07
5. Step 5: Solve for x
   x = 1,755,442.07/1,978.16
6. Step 6: Final answer
   x = 887.41