Finding the Fourth Proportional to 156,105.83, 233,029.18 and 137,189.31

Step by Step Solution

1. Step 1: Write the proportion equation
   156,105.83 : 233,029.18 = 137,189.31 : x
2. Step 2: Convert to fraction form
   156,105.83/233,029.18 = 137,189.31/x
3. Step 3: Cross multiply
   156,105.83x = 233,029.18 × 137,189.31
4. Step 4: Simplify right side
   156,105.83x = 31,969,112,097.54
5. Step 5: Solve for x
   x = 31,969,112,097.54/156,105.83
6. Step 6: Final answer
   x = 204,791.28