Finding the Fourth Proportional to 111,365.86, 153,683 and 62,967

Step by Step Solution

1. Step 1: Write the proportion equation
   111,365.86 : 153,683 = 62,967 : x
2. Step 2: Convert to fraction form
   111,365.86/153,683 = 62,967/x
3. Step 3: Cross multiply
   111,365.86x = 153,683 × 62,967
4. Step 4: Simplify right side
   111,365.86x = 9,676,957,461
5. Step 5: Solve for x
   x = 9,676,957,461/111,365.86
6. Step 6: Final answer
   x = 86,893.39