Finding the Fourth Proportional to 76,356.58, 105,368.53 and 42,364.71

Step by Step Solution

1. Step 1: Write the proportion equation
   76,356.58 : 105,368.53 = 42,364.71 : x
2. Step 2: Convert to fraction form
   76,356.58/105,368.53 = 42,364.71/x
3. Step 3: Cross multiply
   76,356.58x = 105,368.53 × 42,364.71
4. Step 4: Simplify right side
   76,356.58x = 4,463,907,216.58
5. Step 5: Solve for x
   x = 4,463,907,216.58/76,356.58
6. Step 6: Final answer
   x = 58,461.33