Finding the Fourth Proportional to 112,388.39, 154,780.22 and 109,938.95

Step by Step Solution

1. Step 1: Write the proportion equation
   112,388.39 : 154,780.22 = 109,938.95 : x
2. Step 2: Convert to fraction form
   112,388.39/154,780.22 = 109,938.95/x
3. Step 3: Cross multiply
   112,388.39x = 154,780.22 × 109,938.95
4. Step 4: Simplify right side
   112,388.39x = 17,016,374,368.52
5. Step 5: Solve for x
   x = 17,016,374,368.52/112,388.39
6. Step 6: Final answer
   x = 151,406.88