Finding the Fourth Proportional to 42,779.47, 64,123.95 and 16,113.92

Step by Step Solution

1. Step 1: Write the proportion equation
   42,779.47 : 64,123.95 = 16,113.92 : x
2. Step 2: Convert to fraction form
   42,779.47/64,123.95 = 16,113.92/x
3. Step 3: Cross multiply
   42,779.47x = 64,123.95 × 16,113.92
4. Step 4: Simplify right side
   42,779.47x = 1,033,288,200.38
5. Step 5: Solve for x
   x = 1,033,288,200.38/42,779.47
6. Step 6: Final answer
   x = 24,153.83