Finding the Fourth Proportional to 42,271.83, 58,292.51 and 30,943.17

Step by Step Solution

1. Step 1: Write the proportion equation
   42,271.83 : 58,292.51 = 30,943.17 : x
2. Step 2: Convert to fraction form
   42,271.83/58,292.51 = 30,943.17/x
3. Step 3: Cross multiply
   42,271.83x = 58,292.51 × 30,943.17
4. Step 4: Simplify right side
   42,271.83x = 1,803,754,891.94
5. Step 5: Solve for x
   x = 1,803,754,891.94/42,271.83
6. Step 6: Final answer
   x = 42,670.38