Finding the Fourth Proportional to 12,705,345.82, 19,047,303.78 and 5,511,460.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,705,345.82 : 19,047,303.78 = 5,511,460.42 : x
2. Step 2: Convert to fraction form
   12,705,345.82/19,047,303.78 = 5,511,460.42/x
3. Step 3: Cross multiply
   12,705,345.82x = 19,047,303.78 × 5,511,460.42
4. Step 4: Simplify right side
   12,705,345.82x = 104,978,460,891,186.39
5. Step 5: Solve for x
   x = 104,978,460,891,186.39/12,705,345.82
6. Step 6: Final answer
   x = 8,262,542.58