Finding the Fourth Proportional to 42,303.87, 58,332.15 and 28,882.17

Step by Step Solution

1. Step 1: Write the proportion equation
   42,303.87 : 58,332.15 = 28,882.17 : x
2. Step 2: Convert to fraction form
   42,303.87/58,332.15 = 28,882.17/x
3. Step 3: Cross multiply
   42,303.87x = 58,332.15 × 28,882.17
4. Step 4: Simplify right side
   42,303.87x = 1,684,759,072.77
5. Step 5: Solve for x
   x = 1,684,759,072.77/42,303.87
6. Step 6: Final answer
   x = 39,825.18