Finding the Fourth Proportional to 123,375.30, 185,106.15 and 53,304.90

Step by Step Solution

1. Step 1: Write the proportion equation
   123,375.30 : 185,106.15 = 53,304.90 : x
2. Step 2: Convert to fraction form
   123,375.30/185,106.15 = 53,304.90/x
3. Step 3: Cross multiply
   123,375.30x = 185,106.15 × 53,304.90
4. Step 4: Simplify right side
   123,375.30x = 9,867,064,815.14
5. Step 5: Solve for x
   x = 9,867,064,815.14/123,375.30
6. Step 6: Final answer
   x = 79,976.01