Finding the Fourth Proportional to 42,773.72, 64,155.57 and 16,460.06

Step by Step Solution

1. Step 1: Write the proportion equation
   42,773.72 : 64,155.57 = 16,460.06 : x
2. Step 2: Convert to fraction form
   42,773.72/64,155.57 = 16,460.06/x
3. Step 3: Cross multiply
   42,773.72x = 64,155.57 × 16,460.06
4. Step 4: Simplify right side
   42,773.72x = 1,056,004,531.53
5. Step 5: Solve for x
   x = 1,056,004,531.53/42,773.72
6. Step 6: Final answer
   x = 24,688.16