Finding the Fourth Proportional to 31,106.16, 42,900.06 and 26,284.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,106.16 : 42,900.06 = 26,284.50 : x
2. Step 2: Convert to fraction form
   31,106.16/42,900.06 = 26,284.50/x
3. Step 3: Cross multiply
   31,106.16x = 42,900.06 × 26,284.50
4. Step 4: Simplify right side
   31,106.16x = 1,127,606,627.07
5. Step 5: Solve for x
   x = 1,127,606,627.07/31,106.16
6. Step 6: Final answer
   x = 36,250.27