Finding the Fourth Proportional to 76,160.46, 105,104.71 and 42,168.94

Step by Step Solution

1. Step 1: Write the proportion equation
   76,160.46 : 105,104.71 = 42,168.94 : x
2. Step 2: Convert to fraction form
   76,160.46/105,104.71 = 42,168.94/x
3. Step 3: Cross multiply
   76,160.46x = 105,104.71 × 42,168.94
4. Step 4: Simplify right side
   76,160.46x = 4,432,154,209.71
5. Step 5: Solve for x
   x = 4,432,154,209.71/76,160.46
6. Step 6: Final answer
   x = 58,194.95