Finding the Fourth Proportional to 7,870,592.30, 10,855,635.96 and 5,216,640.08

Step by Step Solution

1. Step 1: Write the proportion equation
   7,870,592.30 : 10,855,635.96 = 5,216,640.08 : x
2. Step 2: Convert to fraction form
   7,870,592.30/10,855,635.96 = 5,216,640.08/x
3. Step 3: Cross multiply
   7,870,592.30x = 10,855,635.96 × 5,216,640.08
4. Step 4: Simplify right side
   7,870,592.30x = 56,629,945,642,825.28
5. Step 5: Solve for x
   x = 56,629,945,642,825.28/7,870,592.30
6. Step 6: Final answer
   x = 7,195,131.38