Finding the Fourth Proportional to 5,280,338.25, 7,285,617.83 and 2,988,498.93

Step by Step Solution

1. Step 1: Write the proportion equation
   5,280,338.25 : 7,285,617.83 = 2,988,498.93 : x
2. Step 2: Convert to fraction form
   5,280,338.25/7,285,617.83 = 2,988,498.93/x
3. Step 3: Cross multiply
   5,280,338.25x = 7,285,617.83 × 2,988,498.93
4. Step 4: Simplify right side
   5,280,338.25x = 21,773,061,089,343.92
5. Step 5: Solve for x
   x = 21,773,061,089,343.92/5,280,338.25
6. Step 6: Final answer
   x = 4,123,421.66