Finding the Fourth Proportional to 89,564,078.06, 123,636,563.46 and 60,212,434.52

Step by Step Solution

1. Step 1: Write the proportion equation
   89,564,078.06 : 123,636,563.46 = 60,212,434.52 : x
2. Step 2: Convert to fraction form
   89,564,078.06/123,636,563.46 = 60,212,434.52/x
3. Step 3: Cross multiply
   89,564,078.06x = 123,636,563.46 × 60,212,434.52
4. Step 4: Simplify right side
   89,564,078.06x = 7,444,458,481,613,075
5. Step 5: Solve for x
   x = 7,444,458,481,613,075/89,564,078.06
6. Step 6: Final answer
   x = 83,118,797.66