Finding the Fourth Proportional to 10,003,321.53, 13,804,580.99 and 5,419,642.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,003,321.53 : 13,804,580.99 = 5,419,642.91 : x
2. Step 2: Convert to fraction form
   10,003,321.53/13,804,580.99 = 5,419,642.91/x
3. Step 3: Cross multiply
   10,003,321.53x = 13,804,580.99 × 5,419,642.91
4. Step 4: Simplify right side
   10,003,321.53x = 74,815,899,432,500.48
5. Step 5: Solve for x
   x = 74,815,899,432,500.48/10,003,321.53
6. Step 6: Final answer
   x = 7,479,105.74