Finding the Fourth Proportional to 61,576.96, 84,956.88 and 37,678.72

Step by Step Solution

1. Step 1: Write the proportion equation
   61,576.96 : 84,956.88 = 37,678.72 : x
2. Step 2: Convert to fraction form
   61,576.96/84,956.88 = 37,678.72/x
3. Step 3: Cross multiply
   61,576.96x = 84,956.88 × 37,678.72
4. Step 4: Simplify right side
   61,576.96x = 3,201,066,493.59
5. Step 5: Solve for x
   x = 3,201,066,493.59/61,576.96
6. Step 6: Final answer
   x = 51,984.81