Finding the Fourth Proportional to 180,554.72, 249,164.88 and 101,066.72

Step by Step Solution

1. Step 1: Write the proportion equation
   180,554.72 : 249,164.88 = 101,066.72 : x
2. Step 2: Convert to fraction form
   180,554.72/249,164.88 = 101,066.72/x
3. Step 3: Cross multiply
   180,554.72x = 249,164.88 × 101,066.72
4. Step 4: Simplify right side
   180,554.72x = 25,182,277,160.79
5. Step 5: Solve for x
   x = 25,182,277,160.79/180,554.72
6. Step 6: Final answer
   x = 139,471.72