Finding the Fourth Proportional to 61,482.72, 84,789.36 and 45,606.72

Step by Step Solution

1. Step 1: Write the proportion equation
   61,482.72 : 84,789.36 = 45,606.72 : x
2. Step 2: Convert to fraction form
   61,482.72/84,789.36 = 45,606.72/x
3. Step 3: Cross multiply
   61,482.72x = 84,789.36 × 45,606.72
4. Step 4: Simplify right side
   61,482.72x = 3,866,964,600.50
5. Step 5: Solve for x
   x = 3,866,964,600.50/61,482.72
6. Step 6: Final answer
   x = 62,895.15