Finding the Fourth Proportional to 86,443.72, 119,292.36 and 46,699.72

Step by Step Solution

1. Step 1: Write the proportion equation
   86,443.72 : 119,292.36 = 46,699.72 : x
2. Step 2: Convert to fraction form
   86,443.72/119,292.36 = 46,699.72/x
3. Step 3: Cross multiply
   86,443.72x = 119,292.36 × 46,699.72
4. Step 4: Simplify right side
   86,443.72x = 5,570,919,810.14
5. Step 5: Solve for x
   x = 5,570,919,810.14/86,443.72
6. Step 6: Final answer
   x = 64,445.63