Finding the Fourth Proportional to 78,019.29, 107,670.48 and 47,806.29

Step by Step Solution

1. Step 1: Write the proportion equation
   78,019.29 : 107,670.48 = 47,806.29 : x
2. Step 2: Convert to fraction form
   78,019.29/107,670.48 = 47,806.29/x
3. Step 3: Cross multiply
   78,019.29x = 107,670.48 × 47,806.29
4. Step 4: Simplify right side
   78,019.29x = 5,147,326,191.32
5. Step 5: Solve for x
   x = 5,147,326,191.32/78,019.29
6. Step 6: Final answer
   x = 65,975.05