Finding the Fourth Proportional to 90,043.76, 124,262.16 and 58,268

Step by Step Solution

1. Step 1: Write the proportion equation
   90,043.76 : 124,262.16 = 58,268 : x
2. Step 2: Convert to fraction form
   90,043.76/124,262.16 = 58,268/x
3. Step 3: Cross multiply
   90,043.76x = 124,262.16 × 58,268
4. Step 4: Simplify right side
   90,043.76x = 7,240,507,538.88
5. Step 5: Solve for x
   x = 7,240,507,538.88/90,043.76
6. Step 6: Final answer
   x = 80,410.99