Finding the Fourth Proportional to 77,020.26, 106,288.28 and 42,095.62

Step by Step Solution

1. Step 1: Write the proportion equation
   77,020.26 : 106,288.28 = 42,095.62 : x
2. Step 2: Convert to fraction form
   77,020.26/106,288.28 = 42,095.62/x
3. Step 3: Cross multiply
   77,020.26x = 106,288.28 × 42,095.62
4. Step 4: Simplify right side
   77,020.26x = 4,474,270,513.89
5. Step 5: Solve for x
   x = 4,474,270,513.89/77,020.26
6. Step 6: Final answer
   x = 58,092.12