Finding the Fourth Proportional to 76,164, 105,106.32 and 42,630.24

Step by Step Solution

1. Step 1: Write the proportion equation
   76,164 : 105,106.32 = 42,630.24 : x
2. Step 2: Convert to fraction form
   76,164/105,106.32 = 42,630.24/x
3. Step 3: Cross multiply
   76,164x = 105,106.32 × 42,630.24
4. Step 4: Simplify right side
   76,164x = 4,480,707,647.12
5. Step 5: Solve for x
   x = 4,480,707,647.12/76,164
6. Step 6: Final answer
   x = 58,829.73