Finding the Fourth Proportional to 52,436.79, 78,589.56 and 41,299.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,436.79 : 78,589.56 = 41,299.50 : x
2. Step 2: Convert to fraction form
   52,436.79/78,589.56 = 41,299.50/x
3. Step 3: Cross multiply
   52,436.79x = 78,589.56 × 41,299.50
4. Step 4: Simplify right side
   52,436.79x = 3,245,709,533.22
5. Step 5: Solve for x
   x = 3,245,709,533.22/52,436.79
6. Step 6: Final answer
   x = 61,897.56