Finding the Fourth Proportional to 78,459.48, 108,273.78 and 46,212.84

Step by Step Solution

1. Step 1: Write the proportion equation
   78,459.48 : 108,273.78 = 46,212.84 : x
2. Step 2: Convert to fraction form
   78,459.48/108,273.78 = 46,212.84/x
3. Step 3: Cross multiply
   78,459.48x = 108,273.78 × 46,212.84
4. Step 4: Simplify right side
   78,459.48x = 5,003,638,871.34
5. Step 5: Solve for x
   x = 5,003,638,871.34/78,459.48
6. Step 6: Final answer
   x = 63,773.54