Finding the Fourth Proportional to 76,152.58, 105,087.14 and 42,158.67

Step by Step Solution

1. Step 1: Write the proportion equation
   76,152.58 : 105,087.14 = 42,158.67 : x
2. Step 2: Convert to fraction form
   76,152.58/105,087.14 = 42,158.67/x
3. Step 3: Cross multiply
   76,152.58x = 105,087.14 × 42,158.67
4. Step 4: Simplify right side
   76,152.58x = 4,430,333,845.71
5. Step 5: Solve for x
   x = 4,430,333,845.71/76,152.58
6. Step 6: Final answer
   x = 58,177.07