Finding the Fourth Proportional to 181,356.72, 250,267.29 and 100,782.18

Step by Step Solution

1. Step 1: Write the proportion equation
   181,356.72 : 250,267.29 = 100,782.18 : x
2. Step 2: Convert to fraction form
   181,356.72/250,267.29 = 100,782.18/x
3. Step 3: Cross multiply
   181,356.72x = 250,267.29 × 100,782.18
4. Step 4: Simplify right side
   181,356.72x = 25,222,483,068.89
5. Step 5: Solve for x
   x = 25,222,483,068.89/181,356.72
6. Step 6: Final answer
   x = 139,076.64