Finding the Fourth Proportional to 146,145.69, 201,681.63 and 79,077.69

Step by Step Solution

1. Step 1: Write the proportion equation
   146,145.69 : 201,681.63 = 79,077.69 : x
2. Step 2: Convert to fraction form
   146,145.69/201,681.63 = 79,077.69/x
3. Step 3: Cross multiply
   146,145.69x = 201,681.63 × 79,077.69
4. Step 4: Simplify right side
   146,145.69x = 15,948,517,415.83
5. Step 5: Solve for x
   x = 15,948,517,415.83/146,145.69
6. Step 6: Final answer
   x = 109,127.52