Finding the Fourth Proportional to 90,604.68, 135,768.42 and 37,985.46

Step by Step Solution

1. Step 1: Write the proportion equation
   90,604.68 : 135,768.42 = 37,985.46 : x
2. Step 2: Convert to fraction form
   90,604.68/135,768.42 = 37,985.46/x
3. Step 3: Cross multiply
   90,604.68x = 135,768.42 × 37,985.46
4. Step 4: Simplify right side
   90,604.68x = 5,157,225,887.17
5. Step 5: Solve for x
   x = 5,157,225,887.17/90,604.68
6. Step 6: Final answer
   x = 56,920.08