Finding the Fourth Proportional to 80,837.85, 111,547.71 and 46,857

Step by Step Solution

1. Step 1: Write the proportion equation
   80,837.85 : 111,547.71 = 46,857 : x
2. Step 2: Convert to fraction form
   80,837.85/111,547.71 = 46,857/x
3. Step 3: Cross multiply
   80,837.85x = 111,547.71 × 46,857
4. Step 4: Simplify right side
   80,837.85x = 5,226,791,047.47
5. Step 5: Solve for x
   x = 5,226,791,047.47/80,837.85
6. Step 6: Final answer
   x = 64,657.72