Finding the Fourth Proportional to 120,066.17, 180,092.73 and 60,900.30

Step by Step Solution

1. Step 1: Write the proportion equation
   120,066.17 : 180,092.73 = 60,900.30 : x
2. Step 2: Convert to fraction form
   120,066.17/180,092.73 = 60,900.30/x
3. Step 3: Cross multiply
   120,066.17x = 180,092.73 × 60,900.30
4. Step 4: Simplify right side
   120,066.17x = 10,967,701,284.82
5. Step 5: Solve for x
   x = 10,967,701,284.82/120,066.17
6. Step 6: Final answer
   x = 91,347.14