Finding the Fourth Proportional to 147,492.56, 221,274.38 and 42,310.62

Step by Step Solution

1. Step 1: Write the proportion equation
   147,492.56 : 221,274.38 = 42,310.62 : x
2. Step 2: Convert to fraction form
   147,492.56/221,274.38 = 42,310.62/x
3. Step 3: Cross multiply
   147,492.56x = 221,274.38 × 42,310.62
4. Step 4: Simplify right side
   147,492.56x = 9,362,256,313.69
5. Step 5: Solve for x
   x = 9,362,256,313.69/147,492.56
6. Step 6: Final answer
   x = 63,476.12