Finding the Fourth Proportional to 118,619.34, 177,641.06 and 65,229.81

Step by Step Solution

1. Step 1: Write the proportion equation
   118,619.34 : 177,641.06 = 65,229.81 : x
2. Step 2: Convert to fraction form
   118,619.34/177,641.06 = 65,229.81/x
3. Step 3: Cross multiply
   118,619.34x = 177,641.06 × 65,229.81
4. Step 4: Simplify right side
   118,619.34x = 11,587,492,265.85
5. Step 5: Solve for x
   x = 11,587,492,265.85/118,619.34
6. Step 6: Final answer
   x = 97,686.37