Finding the Fourth Proportional to 162,492.32, 243,649.16 and 50,141.88

Step by Step Solution

1. Step 1: Write the proportion equation
   162,492.32 : 243,649.16 = 50,141.88 : x
2. Step 2: Convert to fraction form
   162,492.32/243,649.16 = 50,141.88/x
3. Step 3: Cross multiply
   162,492.32x = 243,649.16 × 50,141.88
4. Step 4: Simplify right side
   162,492.32x = 12,217,026,942.82
5. Step 5: Solve for x
   x = 12,217,026,942.82/162,492.32
6. Step 6: Final answer
   x = 75,185.26