Finding the Fourth Proportional to 76,518.96, 105,595.43 and 42,527.58

Step by Step Solution

1. Step 1: Write the proportion equation
   76,518.96 : 105,595.43 = 42,527.58 : x
2. Step 2: Convert to fraction form
   76,518.96/105,595.43 = 42,527.58/x
3. Step 3: Cross multiply
   76,518.96x = 105,595.43 × 42,527.58
4. Step 4: Simplify right side
   76,518.96x = 4,490,717,884.32
5. Step 5: Solve for x
   x = 4,490,717,884.32/76,518.96
6. Step 6: Final answer
   x = 58,687.65