Finding the Fourth Proportional to 740,112,391.47, 1,109,383,522.55 and 346,307,426.18

Step by Step Solution

1. Step 1: Write the proportion equation
   740,112,391.47 : 1,109,383,522.55 = 346,307,426.18 : x
2. Step 2: Convert to fraction form
   740,112,391.47/1,109,383,522.55 = 346,307,426.18/x
3. Step 3: Cross multiply
   740,112,391.47x = 1,109,383,522.55 × 346,307,426.18
4. Step 4: Simplify right side
   740,112,391.47x = 384,187,752,340,929,472
5. Step 5: Solve for x
   x = 384,187,752,340,929,472/740,112,391.47
6. Step 6: Final answer
   x = 519,093,798.14