Finding the Fourth Proportional to 47,289.63, 70,725.30 and 42,061.32

Step by Step Solution

1. Step 1: Write the proportion equation
   47,289.63 : 70,725.30 = 42,061.32 : x
2. Step 2: Convert to fraction form
   47,289.63/70,725.30 = 42,061.32/x
3. Step 3: Cross multiply
   47,289.63x = 70,725.30 × 42,061.32
4. Step 4: Simplify right side
   47,289.63x = 2,974,799,475.40
5. Step 5: Solve for x
   x = 2,974,799,475.40/47,289.63
6. Step 6: Final answer
   x = 62,905.96