Finding the Fourth Proportional to 162,152.18, 223,780.42 and 90,532.18

Step by Step Solution

1. Step 1: Write the proportion equation
   162,152.18 : 223,780.42 = 90,532.18 : x
2. Step 2: Convert to fraction form
   162,152.18/223,780.42 = 90,532.18/x
3. Step 3: Cross multiply
   162,152.18x = 223,780.42 × 90,532.18
4. Step 4: Simplify right side
   162,152.18x = 20,259,329,656.81
5. Step 5: Solve for x
   x = 20,259,329,656.81/162,152.18
6. Step 6: Final answer
   x = 124,940.22