Finding the Fourth Proportional to 532,039.42, 734,191.59 and 290,315.98

Step by Step Solution

1. Step 1: Write the proportion equation
   532,039.42 : 734,191.59 = 290,315.98 : x
2. Step 2: Convert to fraction form
   532,039.42/734,191.59 = 290,315.98/x
3. Step 3: Cross multiply
   532,039.42x = 734,191.59 × 290,315.98
4. Step 4: Simplify right side
   532,039.42x = 213,147,550,958.61
5. Step 5: Solve for x
   x = 213,147,550,958.61/532,039.42
6. Step 6: Final answer
   x = 400,623.61