Finding the Fourth Proportional to 112,923.95, 155,823.81 and 65,192.67

Step by Step Solution

1. Step 1: Write the proportion equation
   112,923.95 : 155,823.81 = 65,192.67 : x
2. Step 2: Convert to fraction form
   112,923.95/155,823.81 = 65,192.67/x
3. Step 3: Cross multiply
   112,923.95x = 155,823.81 × 65,192.67
4. Step 4: Simplify right side
   112,923.95x = 10,158,570,223.47
5. Step 5: Solve for x
   x = 10,158,570,223.47/112,923.95
6. Step 6: Final answer
   x = 89,959.40