Finding the Fourth Proportional to 42,820.38, 64,240.32 and 23,098.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,820.38 : 64,240.32 = 23,098.50 : x
2. Step 2: Convert to fraction form
   42,820.38/64,240.32 = 23,098.50/x
3. Step 3: Cross multiply
   42,820.38x = 64,240.32 × 23,098.50
4. Step 4: Simplify right side
   42,820.38x = 1,483,855,031.52
5. Step 5: Solve for x
   x = 1,483,855,031.52/42,820.38
6. Step 6: Final answer
   x = 34,653.01