Finding the Fourth Proportional to 89,502, 123,516.33 and 53,678.94

Step by Step Solution

1. Step 1: Write the proportion equation
   89,502 : 123,516.33 = 53,678.94 : x
2. Step 2: Convert to fraction form
   89,502/123,516.33 = 53,678.94/x
3. Step 3: Cross multiply
   89,502x = 123,516.33 × 53,678.94
4. Step 4: Simplify right side
   89,502x = 6,630,225,667.09
5. Step 5: Solve for x
   x = 6,630,225,667.09/89,502
6. Step 6: Final answer
   x = 74,079.08