Finding the Fourth Proportional to 2,151,017.24, 3,226,503.96 and 553,574.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,151,017.24 : 3,226,503.96 = 553,574.12 : x
2. Step 2: Convert to fraction form
   2,151,017.24/3,226,503.96 = 553,574.12/x
3. Step 3: Cross multiply
   2,151,017.24x = 3,226,503.96 × 553,574.12
4. Step 4: Simplify right side
   2,151,017.24x = 1,786,109,090,333.52
5. Step 5: Solve for x
   x = 1,786,109,090,333.52/2,151,017.24
6. Step 6: Final answer
   x = 830,355.54