Finding the Fourth Proportional to 83,799.10, 115,667.30 and 49,831.52

Step by Step Solution

1. Step 1: Write the proportion equation
   83,799.10 : 115,667.30 = 49,831.52 : x
2. Step 2: Convert to fraction form
   83,799.10/115,667.30 = 49,831.52/x
3. Step 3: Cross multiply
   83,799.10x = 115,667.30 × 49,831.52
4. Step 4: Simplify right side
   83,799.10x = 5,763,877,373.30
5. Step 5: Solve for x
   x = 5,763,877,373.30/83,799.10
6. Step 6: Final answer
   x = 68,782.09