Finding the Fourth Proportional to 118,927.10, 164,120.98 and 65,211.98

Step by Step Solution

1. Step 1: Write the proportion equation
   118,927.10 : 164,120.98 = 65,211.98 : x
2. Step 2: Convert to fraction form
   118,927.10/164,120.98 = 65,211.98/x
3. Step 3: Cross multiply
   118,927.10x = 164,120.98 × 65,211.98
4. Step 4: Simplify right side
   118,927.10x = 10,702,654,065.34
5. Step 5: Solve for x
   x = 10,702,654,065.34/118,927.10
6. Step 6: Final answer
   x = 89,993.40