Finding the Fourth Proportional to 2,010.86, 3,014.90 and 1,188.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.86 : 3,014.90 = 1,188.71 : x
2. Step 2: Convert to fraction form
   2,010.86/3,014.90 = 1,188.71/x
3. Step 3: Cross multiply
   2,010.86x = 3,014.90 × 1,188.71
4. Step 4: Simplify right side
   2,010.86x = 3,583,820.76
5. Step 5: Solve for x
   x = 3,583,820.76/2,010.86
6. Step 6: Final answer
   x = 1,782.24