Finding the Fourth Proportional to 42,408.01, 58,497.15 and 30,487.51

Step by Step Solution

1. Step 1: Write the proportion equation
   42,408.01 : 58,497.15 = 30,487.51 : x
2. Step 2: Convert to fraction form
   42,408.01/58,497.15 = 30,487.51/x
3. Step 3: Cross multiply
   42,408.01x = 58,497.15 × 30,487.51
4. Step 4: Simplify right side
   42,408.01x = 1,783,432,445.60
5. Step 5: Solve for x
   x = 1,783,432,445.60/42,408.01
6. Step 6: Final answer
   x = 42,054.14