Finding the Fourth Proportional to 870,532.56, 1,201,023.72 and 548,262.72

Step by Step Solution

1. Step 1: Write the proportion equation
   870,532.56 : 1,201,023.72 = 548,262.72 : x
2. Step 2: Convert to fraction form
   870,532.56/1,201,023.72 = 548,262.72/x
3. Step 3: Cross multiply
   870,532.56x = 1,201,023.72 × 548,262.72
4. Step 4: Simplify right side
   870,532.56x = 658,476,531,511.72
5. Step 5: Solve for x
   x = 658,476,531,511.72/870,532.56
6. Step 6: Final answer
   x = 756,406.55