Finding the Fourth Proportional to 162,061.44, 223,656 and 90,455.42

Step by Step Solution

1. Step 1: Write the proportion equation
   162,061.44 : 223,656 = 90,455.42 : x
2. Step 2: Convert to fraction form
   162,061.44/223,656 = 90,455.42/x
3. Step 3: Cross multiply
   162,061.44x = 223,656 × 90,455.42
4. Step 4: Simplify right side
   162,061.44x = 20,230,897,415.52
5. Step 5: Solve for x
   x = 20,230,897,415.52/162,061.44
6. Step 6: Final answer
   x = 124,834.74