Finding the Fourth Proportional to 111,300.89, 153,618.39 and 102,334.19

Step by Step Solution

1. Step 1: Write the proportion equation
   111,300.89 : 153,618.39 = 102,334.19 : x
2. Step 2: Convert to fraction form
   111,300.89/153,618.39 = 102,334.19/x
3. Step 3: Cross multiply
   111,300.89x = 153,618.39 × 102,334.19
4. Step 4: Simplify right side
   111,300.89x = 15,720,412,741.66
5. Step 5: Solve for x
   x = 15,720,412,741.66/111,300.89
6. Step 6: Final answer
   x = 141,242.48