Finding the Fourth Proportional to 154,426.56, 231,642.28 and 60,931.50

Step by Step Solution

1. Step 1: Write the proportion equation
   154,426.56 : 231,642.28 = 60,931.50 : x
2. Step 2: Convert to fraction form
   154,426.56/231,642.28 = 60,931.50/x
3. Step 3: Cross multiply
   154,426.56x = 231,642.28 × 60,931.50
4. Step 4: Simplify right side
   154,426.56x = 14,114,311,583.82
5. Step 5: Solve for x
   x = 14,114,311,583.82/154,426.56
6. Step 6: Final answer
   x = 91,398.21