Finding the Fourth Proportional to 10,712.94, 16,071.24 and 4,870.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,712.94 : 16,071.24 = 4,870.01 : x
2. Step 2: Convert to fraction form
   10,712.94/16,071.24 = 4,870.01/x
3. Step 3: Cross multiply
   10,712.94x = 16,071.24 × 4,870.01
4. Step 4: Simplify right side
   10,712.94x = 78,267,019.16
5. Step 5: Solve for x
   x = 78,267,019.16/10,712.94
6. Step 6: Final answer
   x = 7,305.84