Finding the Fourth Proportional to 76,164.16, 105,106.48 and 42,630.16

Step by Step Solution

1. Step 1: Write the proportion equation
   76,164.16 : 105,106.48 = 42,630.16 : x
2. Step 2: Convert to fraction form
   76,164.16/105,106.48 = 42,630.16/x
3. Step 3: Cross multiply
   76,164.16x = 105,106.48 × 42,630.16
4. Step 4: Simplify right side
   76,164.16x = 4,480,706,059.44
5. Step 5: Solve for x
   x = 4,480,706,059.44/76,164.16
6. Step 6: Final answer
   x = 58,829.59