Finding the Fourth Proportional to 1,429,917.52, 2,145,139.96 and 470,427.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429,917.52 : 2,145,139.96 = 470,427.12 : x
2. Step 2: Convert to fraction form
   1,429,917.52/2,145,139.96 = 470,427.12/x
3. Step 3: Cross multiply
   1,429,917.52x = 2,145,139.96 × 470,427.12
4. Step 4: Simplify right side
   1,429,917.52x = 1,009,132,013,379.72
5. Step 5: Solve for x
   x = 1,009,132,013,379.72/1,429,917.52
6. Step 6: Final answer
   x = 705,727.43