Finding the Fourth Proportional to 140,866.01, 210,948.50 and 98,548.00

Step by Step Solution

1. Step 1: Write the proportion equation
   140,866.01 : 210,948.50 = 98,548.00 : x
2. Step 2: Convert to fraction form
   140,866.01/210,948.50 = 98,548.00/x
3. Step 3: Cross multiply
   140,866.01x = 210,948.50 × 98,548.00
4. Step 4: Simplify right side
   140,866.01x = 20,788,551,757.89
5. Step 5: Solve for x
   x = 20,788,551,757.89/140,866.01
6. Step 6: Final answer
   x = 147,576.77