Finding the Fourth Proportional to 83,625.86, 115,457.73 and 51,828.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,625.86 : 115,457.73 = 51,828.50 : x
2. Step 2: Convert to fraction form
   83,625.86/115,457.73 = 51,828.50/x
3. Step 3: Cross multiply
   83,625.86x = 115,457.73 × 51,828.50
4. Step 4: Simplify right side
   83,625.86x = 5,984,000,959.31
5. Step 5: Solve for x
   x = 5,984,000,959.31/83,625.86
6. Step 6: Final answer
   x = 71,556.82