Finding the Fourth Proportional to 162,887.68, 224,779.56 and 90,287.52

Step by Step Solution

1. Step 1: Write the proportion equation
   162,887.68 : 224,779.56 = 90,287.52 : x
2. Step 2: Convert to fraction form
   162,887.68/224,779.56 = 90,287.52/x
3. Step 3: Cross multiply
   162,887.68x = 224,779.56 × 90,287.52
4. Step 4: Simplify right side
   162,887.68x = 20,294,789,019.09
5. Step 5: Solve for x
   x = 20,294,789,019.09/162,887.68
6. Step 6: Final answer
   x = 124,593.76