Finding the Fourth Proportional to 149,443.72, 223,849.54 and 120,858.01

Step by Step Solution

1. Step 1: Write the proportion equation
   149,443.72 : 223,849.54 = 120,858.01 : x
2. Step 2: Convert to fraction form
   149,443.72/223,849.54 = 120,858.01/x
3. Step 3: Cross multiply
   149,443.72x = 223,849.54 × 120,858.01
4. Step 4: Simplify right side
   149,443.72x = 27,054,009,943.82
5. Step 5: Solve for x
   x = 27,054,009,943.82/149,443.72
6. Step 6: Final answer
   x = 181,031.43