Finding the Fourth Proportional to 181,150.49, 249,995.48 and 100,578.01

Step by Step Solution

1. Step 1: Write the proportion equation
   181,150.49 : 249,995.48 = 100,578.01 : x
2. Step 2: Convert to fraction form
   181,150.49/249,995.48 = 100,578.01/x
3. Step 3: Cross multiply
   181,150.49x = 249,995.48 × 100,578.01
4. Step 4: Simplify right side
   181,150.49x = 25,144,047,697.00
5. Step 5: Solve for x
   x = 25,144,047,697.00/181,150.49
6. Step 6: Final answer
   x = 138,801.99