Finding the Fourth Proportional to 69,068.40, 95,310.72 and 40,763.76

Step by Step Solution

1. Step 1: Write the proportion equation
   69,068.40 : 95,310.72 = 40,763.76 : x
2. Step 2: Convert to fraction form
   69,068.40/95,310.72 = 40,763.76/x
3. Step 3: Cross multiply
   69,068.40x = 95,310.72 × 40,763.76
4. Step 4: Simplify right side
   69,068.40x = 3,885,223,315.51
5. Step 5: Solve for x
   x = 3,885,223,315.51/69,068.40
6. Step 6: Final answer
   x = 56,251.82