Finding the Fourth Proportional to 7,261,061.31, 10,910,181.48 and 5,480,712.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,261,061.31 : 10,910,181.48 = 5,480,712.09 : x
2. Step 2: Convert to fraction form
   7,261,061.31/10,910,181.48 = 5,480,712.09/x
3. Step 3: Cross multiply
   7,261,061.31x = 10,910,181.48 × 5,480,712.09
4. Step 4: Simplify right side
   7,261,061.31x = 59,795,563,541,530.09
5. Step 5: Solve for x
   x = 59,795,563,541,530.09/7,261,061.31
6. Step 6: Final answer
   x = 8,235,099.66