Finding the Fourth Proportional to 61,473.68, 84,839.76 and 35,978.52

Step by Step Solution

1. Step 1: Write the proportion equation
   61,473.68 : 84,839.76 = 35,978.52 : x
2. Step 2: Convert to fraction form
   61,473.68/84,839.76 = 35,978.52/x
3. Step 3: Cross multiply
   61,473.68x = 84,839.76 × 35,978.52
4. Step 4: Simplify right side
   61,473.68x = 3,052,409,320.10
5. Step 5: Solve for x
   x = 3,052,409,320.10/61,473.68
6. Step 6: Final answer
   x = 49,653.92