Finding the Fourth Proportional to 298,982,109.30, 417,554,586.30 and 298,982,109.30

Step by Step Solution

1. Step 1: Write the proportion equation
   298,982,109.30 : 417,554,586.30 = 298,982,109.30 : x
2. Step 2: Convert to fraction form
   298,982,109.30/417,554,586.30 = 298,982,109.30/x
3. Step 3: Cross multiply
   298,982,109.30x = 417,554,586.30 × 298,982,109.30
4. Step 4: Simplify right side
   298,982,109.30x = 124,841,350,959,862,896
5. Step 5: Solve for x
   x = 124,841,350,959,862,896/298,982,109.30
6. Step 6: Final answer
   x = 417,554,586.30