Finding the Fourth Proportional to 166,287.42, 249,455.72 and 61,098.18

Step by Step Solution

1. Step 1: Write the proportion equation
   166,287.42 : 249,455.72 = 61,098.18 : x
2. Step 2: Convert to fraction form
   166,287.42/249,455.72 = 61,098.18/x
3. Step 3: Cross multiply
   166,287.42x = 249,455.72 × 61,098.18
4. Step 4: Simplify right side
   166,287.42x = 15,241,290,482.59
5. Step 5: Solve for x
   x = 15,241,290,482.59/166,287.42
6. Step 6: Final answer
   x = 91,656.30