Finding the Fourth Proportional to 151,931.96, 227,319.71 and 91,738.88

Step by Step Solution

1. Step 1: Write the proportion equation
   151,931.96 : 227,319.71 = 91,738.88 : x
2. Step 2: Convert to fraction form
   151,931.96/227,319.71 = 91,738.88/x
3. Step 3: Cross multiply
   151,931.96x = 227,319.71 × 91,738.88
4. Step 4: Simplify right side
   151,931.96x = 20,854,054,002.03
5. Step 5: Solve for x
   x = 20,854,054,002.03/151,931.96
6. Step 6: Final answer
   x = 137,259.17