Finding the Fourth Proportional to 42,777.18, 64,149.37 and 29,589.57

Step by Step Solution

1. Step 1: Write the proportion equation
   42,777.18 : 64,149.37 = 29,589.57 : x
2. Step 2: Convert to fraction form
   42,777.18/64,149.37 = 29,589.57/x
3. Step 3: Cross multiply
   42,777.18x = 64,149.37 × 29,589.57
4. Step 4: Simplify right side
   42,777.18x = 1,898,152,200.10
5. Step 5: Solve for x
   x = 1,898,152,200.10/42,777.18
6. Step 6: Final answer
   x = 44,373.01