Finding the Fourth Proportional to 188,810.38, 283,216.31 and 76,492.72

Step by Step Solution

1. Step 1: Write the proportion equation
   188,810.38 : 283,216.31 = 76,492.72 : x
2. Step 2: Convert to fraction form
   188,810.38/283,216.31 = 76,492.72/x
3. Step 3: Cross multiply
   188,810.38x = 283,216.31 × 76,492.72
4. Step 4: Simplify right side
   188,810.38x = 21,663,985,900.26
5. Step 5: Solve for x
   x = 21,663,985,900.26/188,810.38
6. Step 6: Final answer
   x = 114,739.38