Finding the Fourth Proportional to 56,892, 78,514.74 and 31,742.04

Step by Step Solution

1. Step 1: Write the proportion equation
   56,892 : 78,514.74 = 31,742.04 : x
2. Step 2: Convert to fraction form
   56,892/78,514.74 = 31,742.04/x
3. Step 3: Cross multiply
   56,892x = 78,514.74 × 31,742.04
4. Step 4: Simplify right side
   56,892x = 2,492,218,017.67
5. Step 5: Solve for x
   x = 2,492,218,017.67/56,892
6. Step 6: Final answer
   x = 43,806.12