Finding the Fourth Proportional to 51,223.04, 76,710.72 and 42,392.96

Step by Step Solution

1. Step 1: Write the proportion equation
   51,223.04 : 76,710.72 = 42,392.96 : x
2. Step 2: Convert to fraction form
   51,223.04/76,710.72 = 42,392.96/x
3. Step 3: Cross multiply
   51,223.04x = 76,710.72 × 42,392.96
4. Step 4: Simplify right side
   51,223.04x = 3,251,994,484.53
5. Step 5: Solve for x
   x = 3,251,994,484.53/51,223.04
6. Step 6: Final answer
   x = 63,486.95