Finding the Fourth Proportional to 82,248.56, 123,373.56 and 19,919.12

Step by Step Solution

1. Step 1: Write the proportion equation
   82,248.56 : 123,373.56 = 19,919.12 : x
2. Step 2: Convert to fraction form
   82,248.56/123,373.56 = 19,919.12/x
3. Step 3: Cross multiply
   82,248.56x = 123,373.56 × 19,919.12
4. Step 4: Simplify right side
   82,248.56x = 2,457,492,746.47
5. Step 5: Solve for x
   x = 2,457,492,746.47/82,248.56
6. Step 6: Final answer
   x = 29,878.85