Finding the Fourth Proportional to 109,683.86, 151,363.42 and 61,936.25

Step by Step Solution

1. Step 1: Write the proportion equation
   109,683.86 : 151,363.42 = 61,936.25 : x
2. Step 2: Convert to fraction form
   109,683.86/151,363.42 = 61,936.25/x
3. Step 3: Cross multiply
   109,683.86x = 151,363.42 × 61,936.25
4. Step 4: Simplify right side
   109,683.86x = 9,374,881,710.32
5. Step 5: Solve for x
   x = 9,374,881,710.32/109,683.86
6. Step 6: Final answer
   x = 85,471.85