Finding the Fourth Proportional to 31,373.31, 46,999.81 and 19,491.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,373.31 : 46,999.81 = 19,491.82 : x
2. Step 2: Convert to fraction form
   31,373.31/46,999.81 = 19,491.82/x
3. Step 3: Cross multiply
   31,373.31x = 46,999.81 × 19,491.82
4. Step 4: Simplify right side
   31,373.31x = 916,111,836.55
5. Step 5: Solve for x
   x = 916,111,836.55/31,373.31
6. Step 6: Final answer
   x = 29,200.36