Finding the Fourth Proportional to 111,189.02, 153,439.75 and 60,200.42

Step by Step Solution

1. Step 1: Write the proportion equation
   111,189.02 : 153,439.75 = 60,200.42 : x
2. Step 2: Convert to fraction form
   111,189.02/153,439.75 = 60,200.42/x
3. Step 3: Cross multiply
   111,189.02x = 153,439.75 × 60,200.42
4. Step 4: Simplify right side
   111,189.02x = 9,237,136,477.00
5. Step 5: Solve for x
   x = 9,237,136,477.00/111,189.02
6. Step 6: Final answer
   x = 83,075.98