Finding the Fourth Proportional to 1,779,967.98, 2,669,968.71 and 432,142.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,779,967.98 : 2,669,968.71 = 432,142.43 : x
2. Step 2: Convert to fraction form
   1,779,967.98/2,669,968.71 = 432,142.43/x
3. Step 3: Cross multiply
   1,779,967.98x = 2,669,968.71 × 432,142.43
4. Step 4: Simplify right side
   1,779,967.98x = 1,153,806,753,013.52
5. Step 5: Solve for x
   x = 1,153,806,753,013.52/1,779,967.98
6. Step 6: Final answer
   x = 648,217.70