Finding the Fourth Proportional to 1,064,315.34, 1,595,086.83 and 432,490.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064,315.34 : 1,595,086.83 = 432,490.50 : x
2. Step 2: Convert to fraction form
   1,064,315.34/1,595,086.83 = 432,490.50/x
3. Step 3: Cross multiply
   1,064,315.34x = 1,595,086.83 × 432,490.50
4. Step 4: Simplify right side
   1,064,315.34x = 689,859,900,650.12
5. Step 5: Solve for x
   x = 689,859,900,650.12/1,064,315.34
6. Step 6: Final answer
   x = 648,172.47