Finding the Fourth Proportional to 78,499.42, 108,291.13 and 46,645.76

Step by Step Solution

1. Step 1: Write the proportion equation
   78,499.42 : 108,291.13 = 46,645.76 : x
2. Step 2: Convert to fraction form
   78,499.42/108,291.13 = 46,645.76/x
3. Step 3: Cross multiply
   78,499.42x = 108,291.13 × 46,645.76
4. Step 4: Simplify right side
   78,499.42x = 5,051,322,214.22
5. Step 5: Solve for x
   x = 5,051,322,214.22/78,499.42
6. Step 6: Final answer
   x = 64,348.53