Finding the Fourth Proportional to 61,172.78, 84,424.83 and 34,322.54

Step by Step Solution

1. Step 1: Write the proportion equation
   61,172.78 : 84,424.83 = 34,322.54 : x
2. Step 2: Convert to fraction form
   61,172.78/84,424.83 = 34,322.54/x
3. Step 3: Cross multiply
   61,172.78x = 84,424.83 × 34,322.54
4. Step 4: Simplify right side
   61,172.78x = 2,897,674,604.67
5. Step 5: Solve for x
   x = 2,897,674,604.67/61,172.78
6. Step 6: Final answer
   x = 47,368.69