Finding the Fourth Proportional to 89,443.72, 123,454.02 and 53,656.84

Step by Step Solution

1. Step 1: Write the proportion equation
   89,443.72 : 123,454.02 = 53,656.84 : x
2. Step 2: Convert to fraction form
   89,443.72/123,454.02 = 53,656.84/x
3. Step 3: Cross multiply
   89,443.72x = 123,454.02 × 53,656.84
4. Step 4: Simplify right side
   89,443.72x = 6,624,152,598.50
5. Step 5: Solve for x
   x = 6,624,152,598.50/89,443.72
6. Step 6: Final answer
   x = 74,059.45