Finding the Fourth Proportional to 42,846.90, 64,294.66 and 16,553.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,846.90 : 64,294.66 = 16,553.50 : x
2. Step 2: Convert to fraction form
   42,846.90/64,294.66 = 16,553.50/x
3. Step 3: Cross multiply
   42,846.90x = 64,294.66 × 16,553.50
4. Step 4: Simplify right side
   42,846.90x = 1,064,301,654.31
5. Step 5: Solve for x
   x = 1,064,301,654.31/42,846.90
6. Step 6: Final answer
   x = 24,839.64