Finding the Fourth Proportional to 61,471.05, 84,651.51 and 53,401.02

Step by Step Solution

1. Step 1: Write the proportion equation
   61,471.05 : 84,651.51 = 53,401.02 : x
2. Step 2: Convert to fraction form
   61,471.05/84,651.51 = 53,401.02/x
3. Step 3: Cross multiply
   61,471.05x = 84,651.51 × 53,401.02
4. Step 4: Simplify right side
   61,471.05x = 4,520,476,978.54
5. Step 5: Solve for x
   x = 4,520,476,978.54/61,471.05
6. Step 6: Final answer
   x = 73,538.31