Finding the Fourth Proportional to 162,191.68, 243,310.72 and 49,881.28

Step by Step Solution

1. Step 1: Write the proportion equation
   162,191.68 : 243,310.72 = 49,881.28 : x
2. Step 2: Convert to fraction form
   162,191.68/243,310.72 = 49,881.28/x
3. Step 3: Cross multiply
   162,191.68x = 243,310.72 × 49,881.28
4. Step 4: Simplify right side
   162,191.68x = 12,136,650,151.32
5. Step 5: Solve for x
   x = 12,136,650,151.32/162,191.68
6. Step 6: Final answer
   x = 74,829.06