Finding the Fourth Proportional to 51,811.31, 71,499.61 and 29,455.31

Step by Step Solution

1. Step 1: Write the proportion equation
   51,811.31 : 71,499.61 = 29,455.31 : x
2. Step 2: Convert to fraction form
   51,811.31/71,499.61 = 29,455.31/x
3. Step 3: Cross multiply
   51,811.31x = 71,499.61 × 29,455.31
4. Step 4: Simplify right side
   51,811.31x = 2,106,043,393.00
5. Step 5: Solve for x
   x = 2,106,043,393.00/51,811.31
6. Step 6: Final answer
   x = 40,648.33