Finding the Fourth Proportional to 67,275.96, 92,780.46 and 42,127.80

Step by Step Solution

1. Step 1: Write the proportion equation
   67,275.96 : 92,780.46 = 42,127.80 : x
2. Step 2: Convert to fraction form
   67,275.96/92,780.46 = 42,127.80/x
3. Step 3: Cross multiply
   67,275.96x = 92,780.46 × 42,127.80
4. Step 4: Simplify right side
   67,275.96x = 3,908,636,662.79
5. Step 5: Solve for x
   x = 3,908,636,662.79/67,275.96
6. Step 6: Final answer
   x = 58,098.56