Finding the Fourth Proportional to 111,071.39, 153,119.10 and 79,184.93

Step by Step Solution

1. Step 1: Write the proportion equation
   111,071.39 : 153,119.10 = 79,184.93 : x
2. Step 2: Convert to fraction form
   111,071.39/153,119.10 = 79,184.93/x
3. Step 3: Cross multiply
   111,071.39x = 153,119.10 × 79,184.93
4. Step 4: Simplify right side
   111,071.39x = 12,124,725,202.04
5. Step 5: Solve for x
   x = 12,124,725,202.04/111,071.39
6. Step 6: Final answer
   x = 109,161.55