Finding the Fourth Proportional to 13,105,697.78, 19,667,404.09 and 4,586,108.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,105,697.78 : 19,667,404.09 = 4,586,108.06 : x
2. Step 2: Convert to fraction form
   13,105,697.78/19,667,404.09 = 4,586,108.06/x
3. Step 3: Cross multiply
   13,105,697.78x = 19,667,404.09 × 4,586,108.06
4. Step 4: Simplify right side
   13,105,697.78x = 90,196,840,416,425.95
5. Step 5: Solve for x
   x = 90,196,840,416,425.95/13,105,697.78
6. Step 6: Final answer
   x = 6,882,261.59