Finding the Fourth Proportional to 1,147,752.72, 1,721,838.06 and 379,294.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147,752.72 : 1,721,838.06 = 379,294.38 : x
2. Step 2: Convert to fraction form
   1,147,752.72/1,721,838.06 = 379,294.38/x
3. Step 3: Cross multiply
   1,147,752.72x = 1,721,838.06 × 379,294.38
4. Step 4: Simplify right side
   1,147,752.72x = 653,083,499,428.10
5. Step 5: Solve for x
   x = 653,083,499,428.10/1,147,752.72
6. Step 6: Final answer
   x = 569,010.63