Finding the Fourth Proportional to 5,111,157.91, 7,053,530.94 and 2,788,089.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,111,157.91 : 7,053,530.94 = 2,788,089.61 : x
2. Step 2: Convert to fraction form
   5,111,157.91/7,053,530.94 = 2,788,089.61/x
3. Step 3: Cross multiply
   5,111,157.91x = 7,053,530.94 × 2,788,089.61
4. Step 4: Simplify right side
   5,111,157.91x = 19,665,876,327,627.54
5. Step 5: Solve for x
   x = 19,665,876,327,627.54/5,111,157.91
6. Step 6: Final answer
   x = 3,847,636.23