Finding the Fourth Proportional to 42,679.59, 64,002.98 and 29,491.98

Step by Step Solution

1. Step 1: Write the proportion equation
   42,679.59 : 64,002.98 = 29,491.98 : x
2. Step 2: Convert to fraction form
   42,679.59/64,002.98 = 29,491.98/x
3. Step 3: Cross multiply
   42,679.59x = 64,002.98 × 29,491.98
4. Step 4: Simplify right side
   42,679.59x = 1,887,574,273.93
5. Step 5: Solve for x
   x = 1,887,574,273.93/42,679.59
6. Step 6: Final answer
   x = 44,226.63