Finding the Fourth Proportional to 5,559,144.72, 7,671,749.58 and 3,111,694.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,559,144.72 : 7,671,749.58 = 3,111,694.86 : x
2. Step 2: Convert to fraction form
   5,559,144.72/7,671,749.58 = 3,111,694.86/x
3. Step 3: Cross multiply
   5,559,144.72x = 7,671,749.58 × 3,111,694.86
4. Step 4: Simplify right side
   5,559,144.72x = 23,872,143,735,293.16
5. Step 5: Solve for x
   x = 23,872,143,735,293.16/5,559,144.72
6. Step 6: Final answer
   x = 4,294,211.60