Finding the Fourth Proportional to 12,772,727.61, 19,162,142.28 and 4,253,137.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,772,727.61 : 19,162,142.28 = 4,253,137.89 : x
2. Step 2: Convert to fraction form
   12,772,727.61/19,162,142.28 = 4,253,137.89/x
3. Step 3: Cross multiply
   12,772,727.61x = 19,162,142.28 × 4,253,137.89
4. Step 4: Simplify right side
   12,772,727.61x = 81,499,233,312,780.97
5. Step 5: Solve for x
   x = 81,499,233,312,780.97/12,772,727.61
6. Step 6: Final answer
   x = 6,380,722.73