Finding the Fourth Proportional to 5,438,870.56, 7,505,690.88 and 2,958,112.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,438,870.56 : 7,505,690.88 = 2,958,112.72 : x
2. Step 2: Convert to fraction form
   5,438,870.56/7,505,690.88 = 2,958,112.72/x
3. Step 3: Cross multiply
   5,438,870.56x = 7,505,690.88 × 2,958,112.72
4. Step 4: Simplify right side
   5,438,870.56x = 22,202,679,664,516.00
5. Step 5: Solve for x
   x = 22,202,679,664,516.00/5,438,870.56
6. Step 6: Final answer
   x = 4,082,222.48