Finding the Fourth Proportional to 7,900.05, 10,902.12 and 4,314.91

Step by Step Solution

1. Step 1: Write the proportion equation
   7,900.05 : 10,902.12 = 4,314.91 : x
2. Step 2: Convert to fraction form
   7,900.05/10,902.12 = 4,314.91/x
3. Step 3: Cross multiply
   7,900.05x = 10,902.12 × 4,314.91
4. Step 4: Simplify right side
   7,900.05x = 47,041,666.61
5. Step 5: Solve for x
   x = 47,041,666.61/7,900.05
6. Step 6: Final answer
   x = 5,954.60