Finding the Fourth Proportional to 89,597.61, 123,638.32 and 53,297.06

Step by Step Solution

1. Step 1: Write the proportion equation
   89,597.61 : 123,638.32 = 53,297.06 : x
2. Step 2: Convert to fraction form
   89,597.61/123,638.32 = 53,297.06/x
3. Step 3: Cross multiply
   89,597.61x = 123,638.32 × 53,297.06
4. Step 4: Simplify right side
   89,597.61x = 6,589,558,407.77
5. Step 5: Solve for x
   x = 6,589,558,407.77/89,597.61
6. Step 6: Final answer
   x = 73,546.14