Finding the Fourth Proportional to 1,422,238.56, 2,132,913.12 and 475,387.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422,238.56 : 2,132,913.12 = 475,387.86 : x
2. Step 2: Convert to fraction form
   1,422,238.56/2,132,913.12 = 475,387.86/x
3. Step 3: Cross multiply
   1,422,238.56x = 2,132,913.12 × 475,387.86
4. Step 4: Simplify right side
   1,422,238.56x = 1,013,961,003,682.72
5. Step 5: Solve for x
   x = 1,013,961,003,682.72/1,422,238.56
6. Step 6: Final answer
   x = 712,933.14