Finding the Fourth Proportional to 5,538,233.10, 7,643,145.15 and 3,091,320.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,538,233.10 : 7,643,145.15 = 3,091,320.30 : x
2. Step 2: Convert to fraction form
   5,538,233.10/7,643,145.15 = 3,091,320.30/x
3. Step 3: Cross multiply
   5,538,233.10x = 7,643,145.15 × 3,091,320.30
4. Step 4: Simplify right side
   5,538,233.10x = 23,627,409,758,041.54
5. Step 5: Solve for x
   x = 23,627,409,758,041.54/5,538,233.10
6. Step 6: Final answer
   x = 4,266,236.06