Finding the Fourth Proportional to 42,665.04, 64,040.76 and 29,471.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42,665.04 : 64,040.76 = 29,471.76 : x
2. Step 2: Convert to fraction form
   42,665.04/64,040.76 = 29,471.76/x
3. Step 3: Cross multiply
   42,665.04x = 64,040.76 × 29,471.76
4. Step 4: Simplify right side
   42,665.04x = 1,887,393,908.94
5. Step 5: Solve for x
   x = 1,887,393,908.94/42,665.04
6. Step 6: Final answer
   x = 44,237.48