Finding the Fourth Proportional to 118,774.74, 163,911.50 and 65,059.76

Step by Step Solution

1. Step 1: Write the proportion equation
   118,774.74 : 163,911.50 = 65,059.76 : x
2. Step 2: Convert to fraction form
   118,774.74/163,911.50 = 65,059.76/x
3. Step 3: Cross multiply
   118,774.74x = 163,911.50 × 65,059.76
4. Step 4: Simplify right side
   118,774.74x = 10,664,042,851.24
5. Step 5: Solve for x
   x = 10,664,042,851.24/118,774.74
6. Step 6: Final answer
   x = 89,783.76