Finding the Fourth Proportional to 76,092, 105,007.32 and 42,558

Step by Step Solution

1. Step 1: Write the proportion equation
   76,092 : 105,007.32 = 42,558 : x
2. Step 2: Convert to fraction form
   76,092/105,007.32 = 42,558/x
3. Step 3: Cross multiply
   76,092x = 105,007.32 × 42,558
4. Step 4: Simplify right side
   76,092x = 4,468,901,524.56
5. Step 5: Solve for x
   x = 4,468,901,524.56/76,092
6. Step 6: Final answer
   x = 58,730.24