Finding the Fourth Proportional to 152,808.42, 229,267.31 and 77,947.41

Step by Step Solution

1. Step 1: Write the proportion equation
   152,808.42 : 229,267.31 = 77,947.41 : x
2. Step 2: Convert to fraction form
   152,808.42/229,267.31 = 77,947.41/x
3. Step 3: Cross multiply
   152,808.42x = 229,267.31 × 77,947.41
4. Step 4: Simplify right side
   152,808.42x = 17,870,793,920.64
5. Step 5: Solve for x
   x = 17,870,793,920.64/152,808.42
6. Step 6: Final answer
   x = 116,949.01