Finding the Fourth Proportional to 42,907.48, 64,342.98 and 23,180.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,907.48 : 64,342.98 = 23,180.72 : x
2. Step 2: Convert to fraction form
   42,907.48/64,342.98 = 23,180.72/x
3. Step 3: Cross multiply
   42,907.48x = 64,342.98 × 23,180.72
4. Step 4: Simplify right side
   42,907.48x = 1,491,516,603.35
5. Step 5: Solve for x
   x = 1,491,516,603.35/42,907.48
6. Step 6: Final answer
   x = 34,761.23