Finding the Fourth Proportional to 31,034.39, 42,870.65 and 29,882.21

Step by Step Solution

1. Step 1: Write the proportion equation
   31,034.39 : 42,870.65 = 29,882.21 : x
2. Step 2: Convert to fraction form
   31,034.39/42,870.65 = 29,882.21/x
3. Step 3: Cross multiply
   31,034.39x = 42,870.65 × 29,882.21
4. Step 4: Simplify right side
   31,034.39x = 1,281,069,766.14
5. Step 5: Solve for x
   x = 1,281,069,766.14/31,034.39
6. Step 6: Final answer
   x = 41,279.04