Finding the Fourth Proportional to 81,875, 112,987.50 and 46,547

Step by Step Solution

1. Step 1: Write the proportion equation
   81,875 : 112,987.50 = 46,547 : x
2. Step 2: Convert to fraction form
   81,875/112,987.50 = 46,547/x
3. Step 3: Cross multiply
   81,875x = 112,987.50 × 46,547
4. Step 4: Simplify right side
   81,875x = 5,259,229,162.50
5. Step 5: Solve for x
   x = 5,259,229,162.50/81,875
6. Step 6: Final answer
   x = 64,234.86