Finding the Fourth Proportional to 224,689.18, 336,940.17 and 91,479.01

Step by Step Solution

1. Step 1: Write the proportion equation
   224,689.18 : 336,940.17 = 91,479.01 : x
2. Step 2: Convert to fraction form
   224,689.18/336,940.17 = 91,479.01/x
3. Step 3: Cross multiply
   224,689.18x = 336,940.17 × 91,479.01
4. Step 4: Simplify right side
   224,689.18x = 30,822,953,180.83
5. Step 5: Solve for x
   x = 30,822,953,180.83/224,689.18
6. Step 6: Final answer
   x = 137,180.41