Finding the Fourth Proportional to 89,499.04, 123,477.93 and 55,495.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,499.04 : 123,477.93 = 55,495.28 : x
2. Step 2: Convert to fraction form
   89,499.04/123,477.93 = 55,495.28/x
3. Step 3: Cross multiply
   89,499.04x = 123,477.93 × 55,495.28
4. Step 4: Simplify right side
   89,499.04x = 6,852,442,299.17
5. Step 5: Solve for x
   x = 6,852,442,299.17/89,499.04
6. Step 6: Final answer
   x = 76,564.43