Finding the Fourth Proportional to 47,289.62, 70,725.29 and 42,061.34

Step by Step Solution

1. Step 1: Write the proportion equation
   47,289.62 : 70,725.29 = 42,061.34 : x
2. Step 2: Convert to fraction form
   47,289.62/70,725.29 = 42,061.34/x
3. Step 3: Cross multiply
   47,289.62x = 70,725.29 × 42,061.34
4. Step 4: Simplify right side
   47,289.62x = 2,974,799,905.36
5. Step 5: Solve for x
   x = 2,974,799,905.36/47,289.62
6. Step 6: Final answer
   x = 62,905.99