Finding the Fourth Proportional to 31,460.10, 43,415.06 and 17,312.94

Step by Step Solution

1. Step 1: Write the proportion equation
   31,460.10 : 43,415.06 = 17,312.94 : x
2. Step 2: Convert to fraction form
   31,460.10/43,415.06 = 17,312.94/x
3. Step 3: Cross multiply
   31,460.10x = 43,415.06 × 17,312.94
4. Step 4: Simplify right side
   31,460.10x = 751,642,242.31
5. Step 5: Solve for x
   x = 751,642,242.31/31,460.10
6. Step 6: Final answer
   x = 23,891.92