Finding the Fourth Proportional to 111,259, 153,537.42 and 60,959.16

Step by Step Solution

1. Step 1: Write the proportion equation
   111,259 : 153,537.42 = 60,959.16 : x
2. Step 2: Convert to fraction form
   111,259/153,537.42 = 60,959.16/x
3. Step 3: Cross multiply
   111,259x = 153,537.42 × 60,959.16
4. Step 4: Simplify right side
   111,259x = 9,359,512,151.77
5. Step 5: Solve for x
   x = 9,359,512,151.77/111,259
6. Step 6: Final answer
   x = 84,123.64