Finding the Fourth Proportional to 12,772,108, 19,160,685.84 and 4,685,158.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,772,108 : 19,160,685.84 = 4,685,158.72 : x
2. Step 2: Convert to fraction form
   12,772,108/19,160,685.84 = 4,685,158.72/x
3. Step 3: Cross multiply
   12,772,108x = 19,160,685.84 × 4,685,158.72
4. Step 4: Simplify right side
   12,772,108x = 89,770,854,344,456.52
5. Step 5: Solve for x
   x = 89,770,854,344,456.52/12,772,108
6. Step 6: Final answer
   x = 7,028,663.89