Finding the Fourth Proportional to 162,549, 224,322.12 and 90,941.40

Step by Step Solution

1. Step 1: Write the proportion equation
   162,549 : 224,322.12 = 90,941.40 : x
2. Step 2: Convert to fraction form
   162,549/224,322.12 = 90,941.40/x
3. Step 3: Cross multiply
   162,549x = 224,322.12 × 90,941.40
4. Step 4: Simplify right side
   162,549x = 20,400,167,643.77
5. Step 5: Solve for x
   x = 20,400,167,643.77/162,549
6. Step 6: Final answer
   x = 125,501.65