Finding the Fourth Proportional to 78,588, 108,462.42 and 50,353.83

Step by Step Solution

1. Step 1: Write the proportion equation
   78,588 : 108,462.42 = 50,353.83 : x
2. Step 2: Convert to fraction form
   78,588/108,462.42 = 50,353.83/x
3. Step 3: Cross multiply
   78,588x = 108,462.42 × 50,353.83
4. Step 4: Simplify right side
   78,588x = 5,461,498,258.07
5. Step 5: Solve for x
   x = 5,461,498,258.07/78,588
6. Step 6: Final answer
   x = 69,495.32