Finding the Fourth Proportional to 31,071.76, 46,826.31 and 28,114.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,071.76 : 46,826.31 = 28,114.18 : x
2. Step 2: Convert to fraction form
   31,071.76/46,826.31 = 28,114.18/x
3. Step 3: Cross multiply
   31,071.76x = 46,826.31 × 28,114.18
4. Step 4: Simplify right side
   31,071.76x = 1,316,483,308.08
5. Step 5: Solve for x
   x = 1,316,483,308.08/31,071.76
6. Step 6: Final answer
   x = 42,369.13