Finding the Fourth Proportional to 21,099,947.34, 31,649,575.15 and 6,722,819.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,099,947.34 : 31,649,575.15 = 6,722,819.82 : x
2. Step 2: Convert to fraction form
   21,099,947.34/31,649,575.15 = 6,722,819.82/x
3. Step 3: Cross multiply
   21,099,947.34x = 31,649,575.15 × 6,722,819.82
4. Step 4: Simplify right side
   21,099,947.34x = 212,774,391,112,999.47
5. Step 5: Solve for x
   x = 212,774,391,112,999.47/21,099,947.34
6. Step 6: Final answer
   x = 10,084,119.53