Finding the Fourth Proportional to 115,152.04, 158,907.40 and 64,164.56

Step by Step Solution

1. Step 1: Write the proportion equation
   115,152.04 : 158,907.40 = 64,164.56 : x
2. Step 2: Convert to fraction form
   115,152.04/158,907.40 = 64,164.56/x
3. Step 3: Cross multiply
   115,152.04x = 158,907.40 × 64,164.56
4. Step 4: Simplify right side
   115,152.04x = 10,196,223,401.74
5. Step 5: Solve for x
   x = 10,196,223,401.74/115,152.04
6. Step 6: Final answer
   x = 88,545.75