Finding the Fourth Proportional to 147,054.72, 202,900.14 and 86,620.62

Step by Step Solution

1. Step 1: Write the proportion equation
   147,054.72 : 202,900.14 = 86,620.62 : x
2. Step 2: Convert to fraction form
   147,054.72/202,900.14 = 86,620.62/x
3. Step 3: Cross multiply
   147,054.72x = 202,900.14 × 86,620.62
4. Step 4: Simplify right side
   147,054.72x = 17,575,335,924.89
5. Step 5: Solve for x
   x = 17,575,335,924.89/147,054.72
6. Step 6: Final answer
   x = 119,515.62