Finding the Fourth Proportional to 591,152.52, 815,790.56 and 322,880.52

Step by Step Solution

1. Step 1: Write the proportion equation
   591,152.52 : 815,790.56 = 322,880.52 : x
2. Step 2: Convert to fraction form
   591,152.52/815,790.56 = 322,880.52/x
3. Step 3: Cross multiply
   591,152.52x = 815,790.56 × 322,880.52
4. Step 4: Simplify right side
   591,152.52x = 263,402,880,223.89
5. Step 5: Solve for x
   x = 263,402,880,223.89/591,152.52
6. Step 6: Final answer
   x = 445,575.16