Finding the Fourth Proportional to 89,978.81, 134,922.89 and 29,986.02

Step by Step Solution

1. Step 1: Write the proportion equation
   89,978.81 : 134,922.89 = 29,986.02 : x
2. Step 2: Convert to fraction form
   89,978.81/134,922.89 = 29,986.02/x
3. Step 3: Cross multiply
   89,978.81x = 134,922.89 × 29,986.02
4. Step 4: Simplify right side
   89,978.81x = 4,045,800,552.96
5. Step 5: Solve for x
   x = 4,045,800,552.96/89,978.81
6. Step 6: Final answer
   x = 44,963.93