Finding the Fourth Proportional to 52,453.49, 78,748.82 and 31,145.09

Step by Step Solution

1. Step 1: Write the proportion equation
   52,453.49 : 78,748.82 = 31,145.09 : x
2. Step 2: Convert to fraction form
   52,453.49/78,748.82 = 31,145.09/x
3. Step 3: Cross multiply
   52,453.49x = 78,748.82 × 31,145.09
4. Step 4: Simplify right side
   52,453.49x = 2,452,638,536.82
5. Step 5: Solve for x
   x = 2,452,638,536.82/52,453.49
6. Step 6: Final answer
   x = 46,758.35