Finding the Fourth Proportional to 1,540,429.16, 2,309,754.34 and 475,185.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,540,429.16 : 2,309,754.34 = 475,185.20 : x
2. Step 2: Convert to fraction form
   1,540,429.16/2,309,754.34 = 475,185.20/x
3. Step 3: Cross multiply
   1,540,429.16x = 2,309,754.34 × 475,185.20
4. Step 4: Simplify right side
   1,540,429.16x = 1,097,561,078,003.77
5. Step 5: Solve for x
   x = 1,097,561,078,003.77/1,540,429.16
6. Step 6: Final answer
   x = 712,503.44