Finding the Fourth Proportional to 89,116.86, 133,653.42 and 39,209.52

Step by Step Solution

1. Step 1: Write the proportion equation
   89,116.86 : 133,653.42 = 39,209.52 : x
2. Step 2: Convert to fraction form
   89,116.86/133,653.42 = 39,209.52/x
3. Step 3: Cross multiply
   89,116.86x = 133,653.42 × 39,209.52
4. Step 4: Simplify right side
   89,116.86x = 5,240,486,444.56
5. Step 5: Solve for x
   x = 5,240,486,444.56/89,116.86
6. Step 6: Final answer
   x = 58,804.66