Finding the Fourth Proportional to 90,467.33, 135,701.34 and 37,839.89

Step by Step Solution

1. Step 1: Write the proportion equation
   90,467.33 : 135,701.34 = 37,839.89 : x
2. Step 2: Convert to fraction form
   90,467.33/135,701.34 = 37,839.89/x
3. Step 3: Cross multiply
   90,467.33x = 135,701.34 × 37,839.89
4. Step 4: Simplify right side
   90,467.33x = 5,134,923,975.81
5. Step 5: Solve for x
   x = 5,134,923,975.81/90,467.33
6. Step 6: Final answer
   x = 56,759.98