Finding the Fourth Proportional to 107,492.72, 160,514.70 and 87,810.16

Step by Step Solution

1. Step 1: Write the proportion equation
   107,492.72 : 160,514.70 = 87,810.16 : x
2. Step 2: Convert to fraction form
   107,492.72/160,514.70 = 87,810.16/x
3. Step 3: Cross multiply
   107,492.72x = 160,514.70 × 87,810.16
4. Step 4: Simplify right side
   107,492.72x = 14,094,821,489.35
5. Step 5: Solve for x
   x = 14,094,821,489.35/107,492.72
6. Step 6: Final answer
   x = 131,123.50