Finding the Fourth Proportional to 12,413,559.39, 17,130,443.32 and 7,186,787.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,413,559.39 : 17,130,443.32 = 7,186,787.94 : x
2. Step 2: Convert to fraction form
   12,413,559.39/17,130,443.32 = 7,186,787.94/x
3. Step 3: Cross multiply
   12,413,559.39x = 17,130,443.32 × 7,186,787.94
4. Step 4: Simplify right side
   12,413,559.39x = 123,112,863,459,029.56
5. Step 5: Solve for x
   x = 123,112,863,459,029.56/12,413,559.39
6. Step 6: Final answer
   x = 9,917,611.83