Finding the Fourth Proportional to 162,384, 243,606.72 and 74,832

Step by Step Solution

1. Step 1: Write the proportion equation
   162,384 : 243,606.72 = 74,832 : x
2. Step 2: Convert to fraction form
   162,384/243,606.72 = 74,832/x
3. Step 3: Cross multiply
   162,384x = 243,606.72 × 74,832
4. Step 4: Simplify right side
   162,384x = 18,229,578,071.04
5. Step 5: Solve for x
   x = 18,229,578,071.04/162,384
6. Step 6: Final answer
   x = 112,262.16