Finding the Fourth Proportional to 7,123,450.47, 10,685,025.86 and 1,732,128.54

Step by Step Solution

1. Step 1: Write the proportion equation
   7,123,450.47 : 10,685,025.86 = 1,732,128.54 : x
2. Step 2: Convert to fraction form
   7,123,450.47/10,685,025.86 = 1,732,128.54/x
3. Step 3: Cross multiply
   7,123,450.47x = 10,685,025.86 × 1,732,128.54
4. Step 4: Simplify right side
   7,123,450.47x = 18,507,838,234,083.40
5. Step 5: Solve for x
   x = 18,507,838,234,083.40/7,123,450.47
6. Step 6: Final answer
   x = 2,598,156.37