Finding the Fourth Proportional to 78,814.53, 108,749.16 and 46,986.39

Step by Step Solution

1. Step 1: Write the proportion equation
   78,814.53 : 108,749.16 = 46,986.39 : x
2. Step 2: Convert to fraction form
   78,814.53/108,749.16 = 46,986.39/x
3. Step 3: Cross multiply
   78,814.53x = 108,749.16 × 46,986.39
4. Step 4: Simplify right side
   78,814.53x = 5,109,730,443.93
5. Step 5: Solve for x
   x = 5,109,730,443.93/78,814.53
6. Step 6: Final answer
   x = 64,832.34