Finding the Fourth Proportional to 532,443.45, 734,801.73 and 290,748.45

Step by Step Solution

1. Step 1: Write the proportion equation
   532,443.45 : 734,801.73 = 290,748.45 : x
2. Step 2: Convert to fraction form
   532,443.45/734,801.73 = 290,748.45/x
3. Step 3: Cross multiply
   532,443.45x = 734,801.73 × 290,748.45
4. Step 4: Simplify right side
   532,443.45x = 213,642,464,054.82
5. Step 5: Solve for x
   x = 213,642,464,054.82/532,443.45
6. Step 6: Final answer
   x = 401,249.12