Finding the Fourth Proportional to 1,569,393.31, 2,354,111.85 and 447,462.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,569,393.31 : 2,354,111.85 = 447,462.31 : x
2. Step 2: Convert to fraction form
   1,569,393.31/2,354,111.85 = 447,462.31/x
3. Step 3: Cross multiply
   1,569,393.31x = 2,354,111.85 × 447,462.31
4. Step 4: Simplify right side
   1,569,393.31x = 1,053,376,326,399.37
5. Step 5: Solve for x
   x = 1,053,376,326,399.37/1,569,393.31
6. Step 6: Final answer
   x = 671,199.70