Finding the Fourth Proportional to 42,407.01, 58,495.77 and 30,486.51

Step by Step Solution

1. Step 1: Write the proportion equation
   42,407.01 : 58,495.77 = 30,486.51 : x
2. Step 2: Convert to fraction form
   42,407.01/58,495.77 = 30,486.51/x
3. Step 3: Cross multiply
   42,407.01x = 58,495.77 × 30,486.51
4. Step 4: Simplify right side
   42,407.01x = 1,783,331,877.06
5. Step 5: Solve for x
   x = 1,783,331,877.06/42,407.01
6. Step 6: Final answer
   x = 42,052.76