Finding the Fourth Proportional to 52,629.62, 78,806.72 and 42,051.02

Step by Step Solution

1. Step 1: Write the proportion equation
   52,629.62 : 78,806.72 = 42,051.02 : x
2. Step 2: Convert to fraction form
   52,629.62/78,806.72 = 42,051.02/x
3. Step 3: Cross multiply
   52,629.62x = 78,806.72 × 42,051.02
4. Step 4: Simplify right side
   52,629.62x = 3,313,902,958.85
5. Step 5: Solve for x
   x = 3,313,902,958.85/52,629.62
6. Step 6: Final answer
   x = 62,966.50