Finding the Fourth Proportional to 53,215.02, 73,433.52 and 30,549.06

Step by Step Solution

1. Step 1: Write the proportion equation
   53,215.02 : 73,433.52 = 30,549.06 : x
2. Step 2: Convert to fraction form
   53,215.02/73,433.52 = 30,549.06/x
3. Step 3: Cross multiply
   53,215.02x = 73,433.52 × 30,549.06
4. Step 4: Simplify right side
   53,215.02x = 2,243,325,008.49
5. Step 5: Solve for x
   x = 2,243,325,008.49/53,215.02
6. Step 6: Final answer
   x = 42,155.86