Finding the Fourth Proportional to 42,784.92, 64,160.94 and 14,699.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,784.92 : 64,160.94 = 14,699.72 : x
2. Step 2: Convert to fraction form
   42,784.92/64,160.94 = 14,699.72/x
3. Step 3: Cross multiply
   42,784.92x = 64,160.94 × 14,699.72
4. Step 4: Simplify right side
   42,784.92x = 943,147,852.94
5. Step 5: Solve for x
   x = 943,147,852.94/42,784.92
6. Step 6: Final answer
   x = 22,043.93