Finding the Fourth Proportional to 116,463.95, 160,719.28 and 65,476.91

Step by Step Solution

1. Step 1: Write the proportion equation
   116,463.95 : 160,719.28 = 65,476.91 : x
2. Step 2: Convert to fraction form
   116,463.95/160,719.28 = 65,476.91/x
3. Step 3: Cross multiply
   116,463.95x = 160,719.28 × 65,476.91
4. Step 4: Simplify right side
   116,463.95x = 10,523,401,831.82
5. Step 5: Solve for x
   x = 10,523,401,831.82/116,463.95
6. Step 6: Final answer
   x = 90,357.59