Finding the Fourth Proportional to 76,649.91, 105,686.38 and 52,462.52

Step by Step Solution

1. Step 1: Write the proportion equation
   76,649.91 : 105,686.38 = 52,462.52 : x
2. Step 2: Convert to fraction form
   76,649.91/105,686.38 = 52,462.52/x
3. Step 3: Cross multiply
   76,649.91x = 105,686.38 × 52,462.52
4. Step 4: Simplify right side
   76,649.91x = 5,544,573,945.60
5. Step 5: Solve for x
   x = 5,544,573,945.60/76,649.91
6. Step 6: Final answer
   x = 72,336.34