Finding the Fourth Proportional to 162,018.81, 243,035.52 and 49,690.86

Step by Step Solution

1. Step 1: Write the proportion equation
   162,018.81 : 243,035.52 = 49,690.86 : x
2. Step 2: Convert to fraction form
   162,018.81/243,035.52 = 49,690.86/x
3. Step 3: Cross multiply
   162,018.81x = 243,035.52 × 49,690.86
4. Step 4: Simplify right side
   162,018.81x = 12,076,643,999.35
5. Step 5: Solve for x
   x = 12,076,643,999.35/162,018.81
6. Step 6: Final answer
   x = 74,538.53