Finding the Fourth Proportional to 89,774.68, 134,667.54 and 37,188.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,774.68 : 134,667.54 = 37,188.28 : x
2. Step 2: Convert to fraction form
   89,774.68/134,667.54 = 37,188.28/x
3. Step 3: Cross multiply
   89,774.68x = 134,667.54 × 37,188.28
4. Step 4: Simplify right side
   89,774.68x = 5,008,054,184.43
5. Step 5: Solve for x
   x = 5,008,054,184.43/89,774.68
6. Step 6: Final answer
   x = 55,784.71