Finding the Fourth Proportional to 42,760.86, 64,165.59 and 23,038.98

Step by Step Solution

1. Step 1: Write the proportion equation
   42,760.86 : 64,165.59 = 23,038.98 : x
2. Step 2: Convert to fraction form
   42,760.86/64,165.59 = 23,038.98/x
3. Step 3: Cross multiply
   42,760.86x = 64,165.59 × 23,038.98
4. Step 4: Simplify right side
   42,760.86x = 1,478,309,744.70
5. Step 5: Solve for x
   x = 1,478,309,744.70/42,760.86
6. Step 6: Final answer
   x = 34,571.56