Finding the Fourth Proportional to 89,638.68, 134,503.38 and 37,085.88

Step by Step Solution

1. Step 1: Write the proportion equation
   89,638.68 : 134,503.38 = 37,085.88 : x
2. Step 2: Convert to fraction form
   89,638.68/134,503.38 = 37,085.88/x
3. Step 3: Cross multiply
   89,638.68x = 134,503.38 × 37,085.88
4. Step 4: Simplify right side
   89,638.68x = 4,988,176,210.27
5. Step 5: Solve for x
   x = 4,988,176,210.27/89,638.68
6. Step 6: Final answer
   x = 55,647.59