Finding the Fourth Proportional to 76,634.56, 105,754.66 and 43,100.56

Step by Step Solution

1. Step 1: Write the proportion equation
   76,634.56 : 105,754.66 = 43,100.56 : x
2. Step 2: Convert to fraction form
   76,634.56/105,754.66 = 43,100.56/x
3. Step 3: Cross multiply
   76,634.56x = 105,754.66 × 43,100.56
4. Step 4: Simplify right side
   76,634.56x = 4,558,085,068.61
5. Step 5: Solve for x
   x = 4,558,085,068.61/76,634.56
6. Step 6: Final answer
   x = 59,478.19