Finding the Fourth Proportional to 12,810.32, 19,192.80 and 5,870.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,810.32 : 19,192.80 = 5,870.24 : x
2. Step 2: Convert to fraction form
   12,810.32/19,192.80 = 5,870.24/x
3. Step 3: Cross multiply
   12,810.32x = 19,192.80 × 5,870.24
4. Step 4: Simplify right side
   12,810.32x = 112,666,342.27
5. Step 5: Solve for x
   x = 112,666,342.27/12,810.32
6. Step 6: Final answer
   x = 8,794.97