Finding the Fourth Proportional to 164,063.61, 245,931.89 and 69,317.65

Step by Step Solution

1. Step 1: Write the proportion equation
   164,063.61 : 245,931.89 = 69,317.65 : x
2. Step 2: Convert to fraction form
   164,063.61/245,931.89 = 69,317.65/x
3. Step 3: Cross multiply
   164,063.61x = 245,931.89 × 69,317.65
4. Step 4: Simplify right side
   164,063.61x = 17,047,420,674.86
5. Step 5: Solve for x
   x = 17,047,420,674.86/164,063.61
6. Step 6: Final answer
   x = 103,907.38