Finding the Fourth Proportional to 76,166.43, 105,110.10 and 42,175.98

Step by Step Solution

1. Step 1: Write the proportion equation
   76,166.43 : 105,110.10 = 42,175.98 : x
2. Step 2: Convert to fraction form
   76,166.43/105,110.10 = 42,175.98/x
3. Step 3: Cross multiply
   76,166.43x = 105,110.10 × 42,175.98
4. Step 4: Simplify right side
   76,166.43x = 4,433,121,475.40
5. Step 5: Solve for x
   x = 4,433,121,475.40/76,166.43
6. Step 6: Final answer
   x = 58,203.09