Finding the Fourth Proportional to 12,717,998,478.28, 19,079,069,959.86 and 3,755,093,752.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,717,998,478.28 : 19,079,069,959.86 = 3,755,093,752.72 : x
2. Step 2: Convert to fraction form
   12,717,998,478.28/19,079,069,959.86 = 3,755,093,752.72/x
3. Step 3: Cross multiply
   12,717,998,478.28x = 19,079,069,959.86 × 3,755,093,752.72
4. Step 4: Simplify right side
   12,717,998,478.28x = 71,643,696,413,978,107,904
5. Step 5: Solve for x
   x = 71,643,696,413,978,107,904/12,717,998,478.28
6. Step 6: Final answer
   x = 5,633,252,475.72