Finding the Fourth Proportional to 1,566.86, 2,161.91 and 937.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566.86 : 2,161.91 = 937.59 : x
2. Step 2: Convert to fraction form
   1,566.86/2,161.91 = 937.59/x
3. Step 3: Cross multiply
   1,566.86x = 2,161.91 × 937.59
4. Step 4: Simplify right side
   1,566.86x = 2,026,980.51
5. Step 5: Solve for x
   x = 2,026,980.51/1,566.86
6. Step 6: Final answer
   x = 1,293.66