Finding the Fourth Proportional to 152,756.84, 229,080.58 and 52,890.23

Step by Step Solution

1. Step 1: Write the proportion equation
   152,756.84 : 229,080.58 = 52,890.23 : x
2. Step 2: Convert to fraction form
   152,756.84/229,080.58 = 52,890.23/x
3. Step 3: Cross multiply
   152,756.84x = 229,080.58 × 52,890.23
4. Step 4: Simplify right side
   152,756.84x = 12,116,123,287.10
5. Step 5: Solve for x
   x = 12,116,123,287.10/152,756.84
6. Step 6: Final answer
   x = 79,316.41