Finding the Fourth Proportional to 1,978.22, 2,967.35 and 591.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.22 : 2,967.35 = 591.58 : x
2. Step 2: Convert to fraction form
   1,978.22/2,967.35 = 591.58/x
3. Step 3: Cross multiply
   1,978.22x = 2,967.35 × 591.58
4. Step 4: Simplify right side
   1,978.22x = 1,755,424.91
5. Step 5: Solve for x
   x = 1,755,424.91/1,978.22
6. Step 6: Final answer
   x = 887.38