Finding the Fourth Proportional to 111,101.63, 153,320.55 and 60,800.63

Step by Step Solution

1. Step 1: Write the proportion equation
   111,101.63 : 153,320.55 = 60,800.63 : x
2. Step 2: Convert to fraction form
   111,101.63/153,320.55 = 60,800.63/x
3. Step 3: Cross multiply
   111,101.63x = 153,320.55 × 60,800.63
4. Step 4: Simplify right side
   111,101.63x = 9,321,985,037.34
5. Step 5: Solve for x
   x = 9,321,985,037.34/111,101.63
6. Step 6: Final answer
   x = 83,905.03