Finding the Fourth Proportional to 1,978.52, 2,967.51 and 591.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.52 : 2,967.51 = 591.48 : x
2. Step 2: Convert to fraction form
   1,978.52/2,967.51 = 591.48/x
3. Step 3: Cross multiply
   1,978.52x = 2,967.51 × 591.48
4. Step 4: Simplify right side
   1,978.52x = 1,755,222.81
5. Step 5: Solve for x
   x = 1,755,222.81/1,978.52
6. Step 6: Final answer
   x = 887.14