Finding the Fourth Proportional to 111,100.52, 153,159.22 and 79,214.06

Step by Step Solution

1. Step 1: Write the proportion equation
   111,100.52 : 153,159.22 = 79,214.06 : x
2. Step 2: Convert to fraction form
   111,100.52/153,159.22 = 79,214.06/x
3. Step 3: Cross multiply
   111,100.52x = 153,159.22 × 79,214.06
4. Step 4: Simplify right side
   111,100.52x = 12,132,363,642.63
5. Step 5: Solve for x
   x = 12,132,363,642.63/111,100.52
6. Step 6: Final answer
   x = 109,201.68