Finding the Fourth Proportional to 57,510.34, 79,358.72 and 42,411.14

Step by Step Solution

1. Step 1: Write the proportion equation
   57,510.34 : 79,358.72 = 42,411.14 : x
2. Step 2: Convert to fraction form
   57,510.34/79,358.72 = 42,411.14/x
3. Step 3: Cross multiply
   57,510.34x = 79,358.72 × 42,411.14
4. Step 4: Simplify right side
   57,510.34x = 3,365,693,784.14
5. Step 5: Solve for x
   x = 3,365,693,784.14/57,510.34
6. Step 6: Final answer
   x = 58,523.28