Finding the Fourth Proportional to 10,223,861.52, 14,108,976.72 and 5,640,181.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,223,861.52 : 14,108,976.72 = 5,640,181.68 : x
2. Step 2: Convert to fraction form
   10,223,861.52/14,108,976.72 = 5,640,181.68/x
3. Step 3: Cross multiply
   10,223,861.52x = 14,108,976.72 × 5,640,181.68
4. Step 4: Simplify right side
   10,223,861.52x = 79,577,192,019,690.48
5. Step 5: Solve for x
   x = 79,577,192,019,690.48/10,223,861.52
6. Step 6: Final answer
   x = 7,783,477.10