Finding the Fourth Proportional to 89,301.89, 133,915.88 and 37,988.80

Step by Step Solution

1. Step 1: Write the proportion equation
   89,301.89 : 133,915.88 = 37,988.80 : x
2. Step 2: Convert to fraction form
   89,301.89/133,915.88 = 37,988.80/x
3. Step 3: Cross multiply
   89,301.89x = 133,915.88 × 37,988.80
4. Step 4: Simplify right side
   89,301.89x = 5,087,303,342.33
5. Step 5: Solve for x
   x = 5,087,303,342.33/89,301.89
6. Step 6: Final answer
   x = 56,967.48