Finding the Fourth Proportional to 118,769.61, 163,902.10 and 65,055.52

Step by Step Solution

1. Step 1: Write the proportion equation
   118,769.61 : 163,902.10 = 65,055.52 : x
2. Step 2: Convert to fraction form
   118,769.61/163,902.10 = 65,055.52/x
3. Step 3: Cross multiply
   118,769.61x = 163,902.10 × 65,055.52
4. Step 4: Simplify right side
   118,769.61x = 10,662,736,344.59
5. Step 5: Solve for x
   x = 10,662,736,344.59/118,769.61
6. Step 6: Final answer
   x = 89,776.64