Finding the Fourth Proportional to 77,613.53, 107,105.39 and 43,156.88

Step by Step Solution

1. Step 1: Write the proportion equation
   77,613.53 : 107,105.39 = 43,156.88 : x
2. Step 2: Convert to fraction form
   77,613.53/107,105.39 = 43,156.88/x
3. Step 3: Cross multiply
   77,613.53x = 107,105.39 × 43,156.88
4. Step 4: Simplify right side
   77,613.53x = 4,622,334,878.22
5. Step 5: Solve for x
   x = 4,622,334,878.22/77,613.53
6. Step 6: Final answer
   x = 59,555.79