Finding the Fourth Proportional to 123,617, 185,416.86 and 64,486.04

Step by Step Solution

1. Step 1: Write the proportion equation
   123,617 : 185,416.86 = 64,486.04 : x
2. Step 2: Convert to fraction form
   123,617/185,416.86 = 64,486.04/x
3. Step 3: Cross multiply
   123,617x = 185,416.86 × 64,486.04
4. Step 4: Simplify right side
   123,617x = 11,956,799,050.63
5. Step 5: Solve for x
   x = 11,956,799,050.63/123,617
6. Step 6: Final answer
   x = 96,724.55