Finding the Fourth Proportional to 109,100.12, 150,556.73 and 61,353.45

Step by Step Solution

1. Step 1: Write the proportion equation
   109,100.12 : 150,556.73 = 61,353.45 : x
2. Step 2: Convert to fraction form
   109,100.12/150,556.73 = 61,353.45/x
3. Step 3: Cross multiply
   109,100.12x = 150,556.73 × 61,353.45
4. Step 4: Simplify right side
   109,100.12x = 9,237,174,499.45
5. Step 5: Solve for x
   x = 9,237,174,499.45/109,100.12
6. Step 6: Final answer
   x = 84,666.95