Finding the Fourth Proportional to 90,981.05, 136,534.89 and 37,673.30

Step by Step Solution

1. Step 1: Write the proportion equation
   90,981.05 : 136,534.89 = 37,673.30 : x
2. Step 2: Convert to fraction form
   90,981.05/136,534.89 = 37,673.30/x
3. Step 3: Cross multiply
   90,981.05x = 136,534.89 × 37,673.30
4. Step 4: Simplify right side
   90,981.05x = 5,143,719,871.44
5. Step 5: Solve for x
   x = 5,143,719,871.44/90,981.05
6. Step 6: Final answer
   x = 56,536.17