Finding the Fourth Proportional to 90,537.35, 135,707.54 and 37,885.32

Step by Step Solution

1. Step 1: Write the proportion equation
   90,537.35 : 135,707.54 = 37,885.32 : x
2. Step 2: Convert to fraction form
   90,537.35/135,707.54 = 37,885.32/x
3. Step 3: Cross multiply
   90,537.35x = 135,707.54 × 37,885.32
4. Step 4: Simplify right side
   90,537.35x = 5,141,323,389.89
5. Step 5: Solve for x
   x = 5,141,323,389.89/90,537.35
6. Step 6: Final answer
   x = 56,786.77