Finding the Fourth Proportional to 78,900.43, 118,387.23 and 34,521.34

Step by Step Solution

1. Step 1: Write the proportion equation
   78,900.43 : 118,387.23 = 34,521.34 : x
2. Step 2: Convert to fraction form
   78,900.43/118,387.23 = 34,521.34/x
3. Step 3: Cross multiply
   78,900.43x = 118,387.23 × 34,521.34
4. Step 4: Simplify right side
   78,900.43x = 4,086,885,818.49
5. Step 5: Solve for x
   x = 4,086,885,818.49/78,900.43
6. Step 6: Final answer
   x = 51,798.02