Finding the Fourth Proportional to 118,042.10, 165,725.50 and 118,042.10

Step by Step Solution

1. Step 1: Write the proportion equation
   118,042.10 : 165,725.50 = 118,042.10 : x
2. Step 2: Convert to fraction form
   118,042.10/165,725.50 = 118,042.10/x
3. Step 3: Cross multiply
   118,042.10x = 165,725.50 × 118,042.10
4. Step 4: Simplify right side
   118,042.10x = 19,562,586,043.55
5. Step 5: Solve for x
   x = 19,562,586,043.55/118,042.10
6. Step 6: Final answer
   x = 165,725.50