Finding the Fourth Proportional to 42,975.46, 64,404.78 and 16,307.11

Step by Step Solution

1. Step 1: Write the proportion equation
   42,975.46 : 64,404.78 = 16,307.11 : x
2. Step 2: Convert to fraction form
   42,975.46/64,404.78 = 16,307.11/x
3. Step 3: Cross multiply
   42,975.46x = 64,404.78 × 16,307.11
4. Step 4: Simplify right side
   42,975.46x = 1,050,255,875.43
5. Step 5: Solve for x
   x = 1,050,255,875.43/42,975.46
6. Step 6: Final answer
   x = 24,438.50