Finding the Fourth Proportional to 11,900,006.72, 17,850,008.58 and 7,855,546.94

Step by Step Solution

1. Step 1: Write the proportion equation
   11,900,006.72 : 17,850,008.58 = 7,855,546.94 : x
2. Step 2: Convert to fraction form
   11,900,006.72/17,850,008.58 = 7,855,546.94/x
3. Step 3: Cross multiply
   11,900,006.72x = 17,850,008.58 × 7,855,546.94
4. Step 4: Simplify right side
   11,900,006.72x = 140,221,580,279,592.73
5. Step 5: Solve for x
   x = 140,221,580,279,592.73/11,900,006.72
6. Step 6: Final answer
   x = 11,783,319.42