Finding the Fourth Proportional to 1,887.84, 2,831.85 and 1,009.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,887.84 : 2,831.85 = 1,009.98 : x
2. Step 2: Convert to fraction form
   1,887.84/2,831.85 = 1,009.98/x
3. Step 3: Cross multiply
   1,887.84x = 2,831.85 × 1,009.98
4. Step 4: Simplify right side
   1,887.84x = 2,860,111.86
5. Step 5: Solve for x
   x = 2,860,111.86/1,887.84
6. Step 6: Final answer
   x = 1,515.02