Finding the Fourth Proportional to 42,158.42, 58,153.15 and 27,813.14

Step by Step Solution

1. Step 1: Write the proportion equation
   42,158.42 : 58,153.15 = 27,813.14 : x
2. Step 2: Convert to fraction form
   42,158.42/58,153.15 = 27,813.14/x
3. Step 3: Cross multiply
   42,158.42x = 58,153.15 × 27,813.14
4. Step 4: Simplify right side
   42,158.42x = 1,617,421,702.39
5. Step 5: Solve for x
   x = 1,617,421,702.39/42,158.42
6. Step 6: Final answer
   x = 38,365.33