Finding the Fourth Proportional to 89,633.98, 123,693.54 and 53,360.76

Step by Step Solution

1. Step 1: Write the proportion equation
   89,633.98 : 123,693.54 = 53,360.76 : x
2. Step 2: Convert to fraction form
   89,633.98/123,693.54 = 53,360.76/x
3. Step 3: Cross multiply
   89,633.98x = 123,693.54 × 53,360.76
4. Step 4: Simplify right side
   89,633.98x = 6,600,381,301.49
5. Step 5: Solve for x
   x = 6,600,381,301.49/89,633.98
6. Step 6: Final answer
   x = 73,637.04