Finding the Fourth Proportional to 12,770,471.77, 19,139,073.46 and 5,188,573.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,770,471.77 : 19,139,073.46 = 5,188,573.69 : x
2. Step 2: Convert to fraction form
   12,770,471.77/19,139,073.46 = 5,188,573.69/x
3. Step 3: Cross multiply
   12,770,471.77x = 19,139,073.46 × 5,188,573.69
4. Step 4: Simplify right side
   12,770,471.77x = 99,304,492,944,714.14
5. Step 5: Solve for x
   x = 99,304,492,944,714.14/12,770,471.77
6. Step 6: Final answer
   x = 7,776,102.15