Finding the Fourth Proportional to 78,741.74, 108,707.82 and 54,577.82

Step by Step Solution

1. Step 1: Write the proportion equation
   78,741.74 : 108,707.82 = 54,577.82 : x
2. Step 2: Convert to fraction form
   78,741.74/108,707.82 = 54,577.82/x
3. Step 3: Cross multiply
   78,741.74x = 108,707.82 × 54,577.82
4. Step 4: Simplify right side
   78,741.74x = 5,933,035,832.55
5. Step 5: Solve for x
   x = 5,933,035,832.55/78,741.74
6. Step 6: Final answer
   x = 75,348.04