Finding the Fourth Proportional to 162,401.17, 224,118.58 and 90,784.21

Step by Step Solution

1. Step 1: Write the proportion equation
   162,401.17 : 224,118.58 = 90,784.21 : x
2. Step 2: Convert to fraction form
   162,401.17/224,118.58 = 90,784.21/x
3. Step 3: Cross multiply
   162,401.17x = 224,118.58 × 90,784.21
4. Step 4: Simplify right side
   162,401.17x = 20,346,428,034.81
5. Step 5: Solve for x
   x = 20,346,428,034.81/162,401.17
6. Step 6: Final answer
   x = 125,284.98