Finding the Fourth Proportional to 109,153.98, 163,731.00 and 30,268.21

Step by Step Solution

1. Step 1: Write the proportion equation
   109,153.98 : 163,731.00 = 30,268.21 : x
2. Step 2: Convert to fraction form
   109,153.98/163,731.00 = 30,268.21/x
3. Step 3: Cross multiply
   109,153.98x = 163,731.00 × 30,268.21
4. Step 4: Simplify right side
   109,153.98x = 4,955,843,586.80
5. Step 5: Solve for x
   x = 4,955,843,586.80/109,153.98
6. Step 6: Final answer
   x = 45,402.32