Finding the Fourth Proportional to 213,681.17, 294,894.73 and 123,061.01

Step by Step Solution

1. Step 1: Write the proportion equation
   213,681.17 : 294,894.73 = 123,061.01 : x
2. Step 2: Convert to fraction form
   213,681.17/294,894.73 = 123,061.01/x
3. Step 3: Cross multiply
   213,681.17x = 294,894.73 × 123,061.01
4. Step 4: Simplify right side
   213,681.17x = 36,290,041,304.61
5. Step 5: Solve for x
   x = 36,290,041,304.61/213,681.17
6. Step 6: Final answer
   x = 169,832.66