Finding the Fourth Proportional to 42,058.17, 63,068.94 and 12,065.79

Step by Step Solution

1. Step 1: Write the proportion equation
   42,058.17 : 63,068.94 = 12,065.79 : x
2. Step 2: Convert to fraction form
   42,058.17/63,068.94 = 12,065.79/x
3. Step 3: Cross multiply
   42,058.17x = 63,068.94 × 12,065.79
4. Step 4: Simplify right side
   42,058.17x = 760,976,585.56
5. Step 5: Solve for x
   x = 760,976,585.56/42,058.17
6. Step 6: Final answer
   x = 18,093.43