Finding the Fourth Proportional to 42,917.06, 64,378.42 and 14,839.83

Step by Step Solution

1. Step 1: Write the proportion equation
   42,917.06 : 64,378.42 = 14,839.83 : x
2. Step 2: Convert to fraction form
   42,917.06/64,378.42 = 14,839.83/x
3. Step 3: Cross multiply
   42,917.06x = 64,378.42 × 14,839.83
4. Step 4: Simplify right side
   42,917.06x = 955,364,808.47
5. Step 5: Solve for x
   x = 955,364,808.47/42,917.06
6. Step 6: Final answer
   x = 22,260.72