Finding the Fourth Proportional to 12,770,467.83, 19,139,067.59 and 5,188,569.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,770,467.83 : 19,139,067.59 = 5,188,569.75 : x
2. Step 2: Convert to fraction form
   12,770,467.83/19,139,067.59 = 5,188,569.75/x
3. Step 3: Cross multiply
   12,770,467.83x = 19,139,067.59 × 5,188,569.75
4. Step 4: Simplify right side
   12,770,467.83x = 99,304,387,114,736.56
5. Step 5: Solve for x
   x = 99,304,387,114,736.56/12,770,467.83
6. Step 6: Final answer
   x = 7,776,096.26