Finding the Fourth Proportional to 118,861.68, 164,030.37 and 65,145.48

Step by Step Solution

1. Step 1: Write the proportion equation
   118,861.68 : 164,030.37 = 65,145.48 : x
2. Step 2: Convert to fraction form
   118,861.68/164,030.37 = 65,145.48/x
3. Step 3: Cross multiply
   118,861.68x = 164,030.37 × 65,145.48
4. Step 4: Simplify right side
   118,861.68x = 10,685,837,188.23
5. Step 5: Solve for x
   x = 10,685,837,188.23/118,861.68
6. Step 6: Final answer
   x = 89,901.45