Finding the Fourth Proportional to 14,158.05, 19,537.57 and 7,870.83

Step by Step Solution

1. Step 1: Write the proportion equation
   14,158.05 : 19,537.57 = 7,870.83 : x
2. Step 2: Convert to fraction form
   14,158.05/19,537.57 = 7,870.83/x
3. Step 3: Cross multiply
   14,158.05x = 19,537.57 × 7,870.83
4. Step 4: Simplify right side
   14,158.05x = 153,776,892.08
5. Step 5: Solve for x
   x = 153,776,892.08/14,158.05
6. Step 6: Final answer
   x = 10,861.45