Finding the Fourth Proportional to 76,452.17, 105,503.27 and 42,917.93

Step by Step Solution

1. Step 1: Write the proportion equation
   76,452.17 : 105,503.27 = 42,917.93 : x
2. Step 2: Convert to fraction form
   76,452.17/105,503.27 = 42,917.93/x
3. Step 3: Cross multiply
   76,452.17x = 105,503.27 × 42,917.93
4. Step 4: Simplify right side
   76,452.17x = 4,527,981,742.04
5. Step 5: Solve for x
   x = 4,527,981,742.04/76,452.17
6. Step 6: Final answer
   x = 59,226.33