Finding the Fourth Proportional to 225,003.45, 337,505.47 and 91,883.69

Step by Step Solution

1. Step 1: Write the proportion equation
   225,003.45 : 337,505.47 = 91,883.69 : x
2. Step 2: Convert to fraction form
   225,003.45/337,505.47 = 91,883.69/x
3. Step 3: Cross multiply
   225,003.45x = 337,505.47 × 91,883.69
4. Step 4: Simplify right side
   225,003.45x = 31,011,247,978.78
5. Step 5: Solve for x
   x = 31,011,247,978.78/225,003.45
6. Step 6: Final answer
   x = 137,825.66