Finding the Fourth Proportional to 53,375.05, 73,663.28 and 30,715.03

Step by Step Solution

1. Step 1: Write the proportion equation
   53,375.05 : 73,663.28 = 30,715.03 : x
2. Step 2: Convert to fraction form
   53,375.05/73,663.28 = 30,715.03/x
3. Step 3: Cross multiply
   53,375.05x = 73,663.28 × 30,715.03
4. Step 4: Simplify right side
   53,375.05x = 2,262,569,855.10
5. Step 5: Solve for x
   x = 2,262,569,855.10/53,375.05
6. Step 6: Final answer
   x = 42,390.03