Finding the Fourth Proportional to 51,461.31, 77,112.23 and 35,697

Step by Step Solution

1. Step 1: Write the proportion equation
   51,461.31 : 77,112.23 = 35,697 : x
2. Step 2: Convert to fraction form
   51,461.31/77,112.23 = 35,697/x
3. Step 3: Cross multiply
   51,461.31x = 77,112.23 × 35,697
4. Step 4: Simplify right side
   51,461.31x = 2,752,675,095.83
5. Step 5: Solve for x
   x = 2,752,675,095.83/51,461.31
6. Step 6: Final answer
   x = 53,490.19