Finding the Fourth Proportional to 76,156.39, 105,095.80 and 42,622.39

Step by Step Solution

1. Step 1: Write the proportion equation
   76,156.39 : 105,095.80 = 42,622.39 : x
2. Step 2: Convert to fraction form
   76,156.39/105,095.80 = 42,622.39/x
3. Step 3: Cross multiply
   76,156.39x = 105,095.80 × 42,622.39
4. Step 4: Simplify right side
   76,156.39x = 4,479,434,174.96
5. Step 5: Solve for x
   x = 4,479,434,174.96/76,156.39
6. Step 6: Final answer
   x = 58,818.89