Finding the Fourth Proportional to 64,584, 89,154.72 and 45,480.96

Step by Step Solution

1. Step 1: Write the proportion equation
   64,584 : 89,154.72 = 45,480.96 : x
2. Step 2: Convert to fraction form
   64,584/89,154.72 = 45,480.96/x
3. Step 3: Cross multiply
   64,584x = 89,154.72 × 45,480.96
4. Step 4: Simplify right side
   64,584x = 4,054,842,254.13
5. Step 5: Solve for x
   x = 4,054,842,254.13/64,584
6. Step 6: Final answer
   x = 62,784.01