Finding the Fourth Proportional to 43,602.37, 60,172.59 and 30,878.35

Step by Step Solution

1. Step 1: Write the proportion equation
   43,602.37 : 60,172.59 = 30,878.35 : x
2. Step 2: Convert to fraction form
   43,602.37/60,172.59 = 30,878.35/x
3. Step 3: Cross multiply
   43,602.37x = 60,172.59 × 30,878.35
4. Step 4: Simplify right side
   43,602.37x = 1,858,030,294.43
5. Step 5: Solve for x
   x = 1,858,030,294.43/43,602.37
6. Step 6: Final answer
   x = 42,613.06