Finding the Fourth Proportional to 118,642, 163,725.96 and 65,650

Step by Step Solution

1. Step 1: Write the proportion equation
   118,642 : 163,725.96 = 65,650 : x
2. Step 2: Convert to fraction form
   118,642/163,725.96 = 65,650/x
3. Step 3: Cross multiply
   118,642x = 163,725.96 × 65,650
4. Step 4: Simplify right side
   118,642x = 10,748,609,274
5. Step 5: Solve for x
   x = 10,748,609,274/118,642
6. Step 6: Final answer
   x = 90,597