Finding the Fourth Proportional to 118,777.96, 163,913.61 and 65,063.98

Step by Step Solution

1. Step 1: Write the proportion equation
   118,777.96 : 163,913.61 = 65,063.98 : x
2. Step 2: Convert to fraction form
   118,777.96/163,913.61 = 65,063.98/x
3. Step 3: Cross multiply
   118,777.96x = 163,913.61 × 65,063.98
4. Step 4: Simplify right side
   118,777.96x = 10,664,871,842.77
5. Step 5: Solve for x
   x = 10,664,871,842.77/118,777.96
6. Step 6: Final answer
   x = 89,788.31