Finding the Fourth Proportional to 5,639,747.72, 7,782,861.72 and 3,061,430.24

Step by Step Solution

1. Step 1: Write the proportion equation
   5,639,747.72 : 7,782,861.72 = 3,061,430.24 : x
2. Step 2: Convert to fraction form
   5,639,747.72/7,782,861.72 = 3,061,430.24/x
3. Step 3: Cross multiply
   5,639,747.72x = 7,782,861.72 × 3,061,430.24
4. Step 4: Simplify right side
   5,639,747.72x = 23,826,688,184,432.10
5. Step 5: Solve for x
   x = 23,826,688,184,432.10/5,639,747.72
6. Step 6: Final answer
   x = 4,224,779.08