Finding the Fourth Proportional to 112,093.16, 154,373.63 and 109,643.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,093.16 : 154,373.63 = 109,643.72 : x
2. Step 2: Convert to fraction form
   112,093.16/154,373.63 = 109,643.72/x
3. Step 3: Cross multiply
   112,093.16x = 154,373.63 × 109,643.72
4. Step 4: Simplify right side
   112,093.16x = 16,926,099,063.10
5. Step 5: Solve for x
   x = 16,926,099,063.10/112,093.16
6. Step 6: Final answer
   x = 151,000.28