Finding the Fourth Proportional to 76,160.30, 105,101.12 and 42,626.30

Step by Step Solution

1. Step 1: Write the proportion equation
   76,160.30 : 105,101.12 = 42,626.30 : x
2. Step 2: Convert to fraction form
   76,160.30/105,101.12 = 42,626.30/x
3. Step 3: Cross multiply
   76,160.30x = 105,101.12 × 42,626.30
4. Step 4: Simplify right side
   76,160.30x = 4,480,071,452.52
5. Step 5: Solve for x
   x = 4,480,071,452.52/76,160.30
6. Step 6: Final answer
   x = 58,824.24