Finding the Fourth Proportional to 152,042.06, 209,818.15 and 84,974.06

Step by Step Solution

1. Step 1: Write the proportion equation
   152,042.06 : 209,818.15 = 84,974.06 : x
2. Step 2: Convert to fraction form
   152,042.06/209,818.15 = 84,974.06/x
3. Step 3: Cross multiply
   152,042.06x = 209,818.15 × 84,974.06
4. Step 4: Simplify right side
   152,042.06x = 17,829,100,379.30
5. Step 5: Solve for x
   x = 17,829,100,379.30/152,042.06
6. Step 6: Final answer
   x = 117,264.26