Finding the Fourth Proportional to 268,473.42, 370,494.72 and 147,622.50

Step by Step Solution

1. Step 1: Write the proportion equation
   268,473.42 : 370,494.72 = 147,622.50 : x
2. Step 2: Convert to fraction form
   268,473.42/370,494.72 = 147,622.50/x
3. Step 3: Cross multiply
   268,473.42x = 370,494.72 × 147,622.50
4. Step 4: Simplify right side
   268,473.42x = 54,693,356,803.20
5. Step 5: Solve for x
   x = 54,693,356,803.20/268,473.42
6. Step 6: Final answer
   x = 203,719.82