Finding the Fourth Proportional to 185,843.47, 256,443.42 and 103,055.38

Step by Step Solution

1. Step 1: Write the proportion equation
   185,843.47 : 256,443.42 = 103,055.38 : x
2. Step 2: Convert to fraction form
   185,843.47/256,443.42 = 103,055.38/x
3. Step 3: Cross multiply
   185,843.47x = 256,443.42 × 103,055.38
4. Step 4: Simplify right side
   185,843.47x = 26,427,874,096.60
5. Step 5: Solve for x
   x = 26,427,874,096.60/185,843.47
6. Step 6: Final answer
   x = 142,205.02