Finding the Fourth Proportional to 76,452.10, 105,507.41 and 42,460.74

Step by Step Solution

1. Step 1: Write the proportion equation
   76,452.10 : 105,507.41 = 42,460.74 : x
2. Step 2: Convert to fraction form
   76,452.10/105,507.41 = 42,460.74/x
3. Step 3: Cross multiply
   76,452.10x = 105,507.41 × 42,460.74
4. Step 4: Simplify right side
   76,452.10x = 4,479,922,730.62
5. Step 5: Solve for x
   x = 4,479,922,730.62/76,452.10
6. Step 6: Final answer
   x = 58,597.77