Finding the Fourth Proportional to 224,632.16, 336,942.42 and 91,512.20

Step by Step Solution

1. Step 1: Write the proportion equation
   224,632.16 : 336,942.42 = 91,512.20 : x
2. Step 2: Convert to fraction form
   224,632.16/336,942.42 = 91,512.20/x
3. Step 3: Cross multiply
   224,632.16x = 336,942.42 × 91,512.20
4. Step 4: Simplify right side
   224,632.16x = 30,834,342,127.52
5. Step 5: Solve for x
   x = 30,834,342,127.52/224,632.16
6. Step 6: Final answer
   x = 137,265.93