Finding the Fourth Proportional to 129,570.30, 194,382.72 and 73,437.30

Step by Step Solution

1. Step 1: Write the proportion equation
   129,570.30 : 194,382.72 = 73,437.30 : x
2. Step 2: Convert to fraction form
   129,570.30/194,382.72 = 73,437.30/x
3. Step 3: Cross multiply
   129,570.30x = 194,382.72 × 73,437.30
4. Step 4: Simplify right side
   129,570.30x = 14,274,942,123.46
5. Step 5: Solve for x
   x = 14,274,942,123.46/129,570.30
6. Step 6: Final answer
   x = 110,171.41