Finding the Fourth Proportional to 188,457.84, 260,086.68 and 107,910.72

Step by Step Solution

1. Step 1: Write the proportion equation
   188,457.84 : 260,086.68 = 107,910.72 : x
2. Step 2: Convert to fraction form
   188,457.84/260,086.68 = 107,910.72/x
3. Step 3: Cross multiply
   188,457.84x = 260,086.68 × 107,910.72
4. Step 4: Simplify right side
   188,457.84x = 28,066,140,901.21
5. Step 5: Solve for x
   x = 28,066,140,901.21/188,457.84
6. Step 6: Final answer
   x = 148,925.30