Finding the Fourth Proportional to 53,012.76, 79,460.82 and 35,439

Step by Step Solution

1. Step 1: Write the proportion equation
   53,012.76 : 79,460.82 = 35,439 : x
2. Step 2: Convert to fraction form
   53,012.76/79,460.82 = 35,439/x
3. Step 3: Cross multiply
   53,012.76x = 79,460.82 × 35,439
4. Step 4: Simplify right side
   53,012.76x = 2,816,011,999.98
5. Step 5: Solve for x
   x = 2,816,011,999.98/53,012.76
6. Step 6: Final answer
   x = 53,119.51