Finding the Fourth Proportional to 1,392,867,042.24, 1,922,171,774.28 and 757,791,144.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,392,867,042.24 : 1,922,171,774.28 = 757,791,144.12 : x
2. Step 2: Convert to fraction form
   1,392,867,042.24/1,922,171,774.28 = 757,791,144.12/x
3. Step 3: Cross multiply
   1,392,867,042.24x = 1,922,171,774.28 × 757,791,144.12
4. Step 4: Simplify right side
   1,392,867,042.24x = 1,456,604,748,026,811,648
5. Step 5: Solve for x
   x = 1,456,604,748,026,811,648/1,392,867,042.24
6. Step 6: Final answer
   x = 1,045,760,078.93