Finding the Fourth Proportional to 78,978.51, 108,990.19 and 44,986.99

Step by Step Solution

1. Step 1: Write the proportion equation
   78,978.51 : 108,990.19 = 44,986.99 : x
2. Step 2: Convert to fraction form
   78,978.51/108,990.19 = 44,986.99/x
3. Step 3: Cross multiply
   78,978.51x = 108,990.19 × 44,986.99
4. Step 4: Simplify right side
   78,978.51x = 4,903,140,371.39
5. Step 5: Solve for x
   x = 4,903,140,371.39/78,978.51
6. Step 6: Final answer
   x = 62,081.95