Finding the Fourth Proportional to 118,047.50, 162,905.55 and 65,055.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,047.50 : 162,905.55 = 65,055.50 : x
2. Step 2: Convert to fraction form
   118,047.50/162,905.55 = 65,055.50/x
3. Step 3: Cross multiply
   118,047.50x = 162,905.55 × 65,055.50
4. Step 4: Simplify right side
   118,047.50x = 10,597,902,008.03
5. Step 5: Solve for x
   x = 10,597,902,008.03/118,047.50
6. Step 6: Final answer
   x = 89,776.59