Finding the Fourth Proportional to 52,453.48, 78,748.81 and 31,145.10

Step by Step Solution

1. Step 1: Write the proportion equation
   52,453.48 : 78,748.81 = 31,145.10 : x
2. Step 2: Convert to fraction form
   52,453.48/78,748.81 = 31,145.10/x
3. Step 3: Cross multiply
   52,453.48x = 78,748.81 × 31,145.10
4. Step 4: Simplify right side
   52,453.48x = 2,452,639,484.47
5. Step 5: Solve for x
   x = 2,452,639,484.47/52,453.48
6. Step 6: Final answer
   x = 46,758.38