Finding the Fourth Proportional to 89,008.50, 122,831.73 and 49,264.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,008.50 : 122,831.73 = 49,264.50 : x
2. Step 2: Convert to fraction form
   89,008.50/122,831.73 = 49,264.50/x
3. Step 3: Cross multiply
   89,008.50x = 122,831.73 × 49,264.50
4. Step 4: Simplify right side
   89,008.50x = 6,051,243,762.59
5. Step 5: Solve for x
   x = 6,051,243,762.59/89,008.50
6. Step 6: Final answer
   x = 67,985.01