Finding the Fourth Proportional to 1,049,699.96, 1,574,799.82 and 339,728.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049,699.96 : 1,574,799.82 = 339,728.01 : x
2. Step 2: Convert to fraction form
   1,049,699.96/1,574,799.82 = 339,728.01/x
3. Step 3: Cross multiply
   1,049,699.96x = 1,574,799.82 × 339,728.01
4. Step 4: Simplify right side
   1,049,699.96x = 535,003,610,058.61
5. Step 5: Solve for x
   x = 535,003,610,058.61/1,049,699.96
6. Step 6: Final answer
   x = 509,672.89