Finding the Fourth Proportional to 31,060.62, 42,815.25 and 26,015.94

Step by Step Solution

1. Step 1: Write the proportion equation
   31,060.62 : 42,815.25 = 26,015.94 : x
2. Step 2: Convert to fraction form
   31,060.62/42,815.25 = 26,015.94/x
3. Step 3: Cross multiply
   31,060.62x = 42,815.25 × 26,015.94
4. Step 4: Simplify right side
   31,060.62x = 1,113,878,975.09
5. Step 5: Solve for x
   x = 1,113,878,975.09/31,060.62
6. Step 6: Final answer
   x = 35,861.45