Finding the Fourth Proportional to 13,863,659.98, 19,130,377.88 and 7,667,722.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,863,659.98 : 19,130,377.88 = 7,667,722.12 : x
2. Step 2: Convert to fraction form
   13,863,659.98/19,130,377.88 = 7,667,722.12/x
3. Step 3: Cross multiply
   13,863,659.98x = 19,130,377.88 × 7,667,722.12
4. Step 4: Simplify right side
   13,863,659.98x = 146,686,421,634,434.69
5. Step 5: Solve for x
   x = 146,686,421,634,434.69/13,863,659.98
6. Step 6: Final answer
   x = 10,580,641.90