Finding the Fourth Proportional to 194,736.35, 290,386.42 and 187,798.10

Step by Step Solution

1. Step 1: Write the proportion equation
   194,736.35 : 290,386.42 = 187,798.10 : x
2. Step 2: Convert to fraction form
   194,736.35/290,386.42 = 187,798.10/x
3. Step 3: Cross multiply
   194,736.35x = 290,386.42 × 187,798.10
4. Step 4: Simplify right side
   194,736.35x = 54,534,016,020.37
5. Step 5: Solve for x
   x = 54,534,016,020.37/194,736.35
6. Step 6: Final answer
   x = 280,040.25