Finding the Fourth Proportional to 19,870.41, 29,805.71 and 5,079.33

Step by Step Solution

1. Step 1: Write the proportion equation
   19,870.41 : 29,805.71 = 5,079.33 : x
2. Step 2: Convert to fraction form
   19,870.41/29,805.71 = 5,079.33/x
3. Step 3: Cross multiply
   19,870.41x = 29,805.71 × 5,079.33
4. Step 4: Simplify right side
   19,870.41x = 151,393,019.04
5. Step 5: Solve for x
   x = 151,393,019.04/19,870.41
6. Step 6: Final answer
   x = 7,619.02