Finding the Fourth Proportional to 80,024.18, 120,071.46 and 42,575.45

Step by Step Solution

1. Step 1: Write the proportion equation
   80,024.18 : 120,071.46 = 42,575.45 : x
2. Step 2: Convert to fraction form
   80,024.18/120,071.46 = 42,575.45/x
3. Step 3: Cross multiply
   80,024.18x = 120,071.46 × 42,575.45
4. Step 4: Simplify right side
   80,024.18x = 5,112,096,441.66
5. Step 5: Solve for x
   x = 5,112,096,441.66/80,024.18
6. Step 6: Final answer
   x = 63,881.90