Finding the Fourth Proportional to 48,627.53, 67,039.40 and 30,713.57

Step by Step Solution

1. Step 1: Write the proportion equation
   48,627.53 : 67,039.40 = 30,713.57 : x
2. Step 2: Convert to fraction form
   48,627.53/67,039.40 = 30,713.57/x
3. Step 3: Cross multiply
   48,627.53x = 67,039.40 × 30,713.57
4. Step 4: Simplify right side
   48,627.53x = 2,059,018,815.89
5. Step 5: Solve for x
   x = 2,059,018,815.89/48,627.53
6. Step 6: Final answer
   x = 42,342.66