Finding the Fourth Proportional to 7,311,019.77, 10,087,862.72 and 4,213,108.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,311,019.77 : 10,087,862.72 = 4,213,108.76 : x
2. Step 2: Convert to fraction form
   7,311,019.77/10,087,862.72 = 4,213,108.76/x
3. Step 3: Cross multiply
   7,311,019.77x = 10,087,862.72 × 4,213,108.76
4. Step 4: Simplify right side
   7,311,019.77x = 42,501,262,723,804.57
5. Step 5: Solve for x
   x = 42,501,262,723,804.57/7,311,019.77
6. Step 6: Final answer
   x = 5,813,315.25