Finding the Fourth Proportional to 13,858,406.94, 19,124,725.37 and 7,663,870.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,858,406.94 : 19,124,725.37 = 7,663,870.59 : x
2. Step 2: Convert to fraction form
   13,858,406.94/19,124,725.37 = 7,663,870.59/x
3. Step 3: Cross multiply
   13,858,406.94x = 19,124,725.37 × 7,663,870.59
4. Step 4: Simplify right side
   13,858,406.94x = 146,569,420,238,042.06
5. Step 5: Solve for x
   x = 146,569,420,238,042.06/13,858,406.94
6. Step 6: Final answer
   x = 10,576,209.87