Finding the Fourth Proportional to 12,836.32, 19,236.12 and 5,798.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,836.32 : 19,236.12 = 5,798.86 : x
2. Step 2: Convert to fraction form
   12,836.32/19,236.12 = 5,798.86/x
3. Step 3: Cross multiply
   12,836.32x = 19,236.12 × 5,798.86
4. Step 4: Simplify right side
   12,836.32x = 111,547,566.82
5. Step 5: Solve for x
   x = 111,547,566.82/12,836.32
6. Step 6: Final answer
   x = 8,690.00