Finding the Fourth Proportional to 1,699,341.31, 2,548,987.01 and 419,948.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,699,341.31 : 2,548,987.01 = 419,948.76 : x
2. Step 2: Convert to fraction form
   1,699,341.31/2,548,987.01 = 419,948.76/x
3. Step 3: Cross multiply
   1,699,341.31x = 2,548,987.01 × 419,948.76
4. Step 4: Simplify right side
   1,699,341.31x = 1,070,443,934,105.61
5. Step 5: Solve for x
   x = 1,070,443,934,105.61/1,699,341.31
6. Step 6: Final answer
   x = 629,916.97