Finding the Fourth Proportional to 61,002.54, 84,164.31 and 34,140.78

Step by Step Solution

1. Step 1: Write the proportion equation
   61,002.54 : 84,164.31 = 34,140.78 : x
2. Step 2: Convert to fraction form
   61,002.54/84,164.31 = 34,140.78/x
3. Step 3: Cross multiply
   61,002.54x = 84,164.31 × 34,140.78
4. Step 4: Simplify right side
   61,002.54x = 2,873,434,770.74
5. Step 5: Solve for x
   x = 2,873,434,770.74/61,002.54
6. Step 6: Final answer
   x = 47,103.53