Finding the Fourth Proportional to 51,151.58, 70,592.73 and 31,009.31

Step by Step Solution

1. Step 1: Write the proportion equation
   51,151.58 : 70,592.73 = 31,009.31 : x
2. Step 2: Convert to fraction form
   51,151.58/70,592.73 = 31,009.31/x
3. Step 3: Cross multiply
   51,151.58x = 70,592.73 × 31,009.31
4. Step 4: Simplify right side
   51,151.58x = 2,189,031,892.44
5. Step 5: Solve for x
   x = 2,189,031,892.44/51,151.58
6. Step 6: Final answer
   x = 42,795.00