Finding the Fourth Proportional to 89,178.19, 123,045.69 and 60,501.76

Step by Step Solution

1. Step 1: Write the proportion equation
   89,178.19 : 123,045.69 = 60,501.76 : x
2. Step 2: Convert to fraction form
   89,178.19/123,045.69 = 60,501.76/x
3. Step 3: Cross multiply
   89,178.19x = 123,045.69 × 60,501.76
4. Step 4: Simplify right side
   89,178.19x = 7,444,480,805.41
5. Step 5: Solve for x
   x = 7,444,480,805.41/89,178.19
6. Step 6: Final answer
   x = 83,478.72