Finding the Fourth Proportional to 118,756.48, 163,886.88 and 65,043.76

Step by Step Solution

1. Step 1: Write the proportion equation
   118,756.48 : 163,886.88 = 65,043.76 : x
2. Step 2: Convert to fraction form
   118,756.48/163,886.88 = 65,043.76/x
3. Step 3: Cross multiply
   118,756.48x = 163,886.88 × 65,043.76
4. Step 4: Simplify right side
   118,756.48x = 10,659,818,889.87
5. Step 5: Solve for x
   x = 10,659,818,889.87/118,756.48
6. Step 6: Final answer
   x = 89,762.00