Finding the Fourth Proportional to 5,178,893.15, 7,145,622.72 and 3,342,958.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,178,893.15 : 7,145,622.72 = 3,342,958.25 : x
2. Step 2: Convert to fraction form
   5,178,893.15/7,145,622.72 = 3,342,958.25/x
3. Step 3: Cross multiply
   5,178,893.15x = 7,145,622.72 × 3,342,958.25
4. Step 4: Simplify right side
   5,178,893.15x = 23,887,518,387,483.33
5. Step 5: Solve for x
   x = 23,887,518,387,483.33/5,178,893.15
6. Step 6: Final answer
   x = 4,612,475.62