Finding the Fourth Proportional to 162,737.18, 243,116.03 and 105,343.46

Step by Step Solution

1. Step 1: Write the proportion equation
   162,737.18 : 243,116.03 = 105,343.46 : x
2. Step 2: Convert to fraction form
   162,737.18/243,116.03 = 105,343.46/x
3. Step 3: Cross multiply
   162,737.18x = 243,116.03 × 105,343.46
4. Step 4: Simplify right side
   162,737.18x = 25,610,684,424.89
5. Step 5: Solve for x
   x = 25,610,684,424.89/162,737.18
6. Step 6: Final answer
   x = 157,374.52