Finding the Fourth Proportional to 130,970.73, 196,291.72 and 56,002.70

Step by Step Solution

1. Step 1: Write the proportion equation
   130,970.73 : 196,291.72 = 56,002.70 : x
2. Step 2: Convert to fraction form
   130,970.73/196,291.72 = 56,002.70/x
3. Step 3: Cross multiply
   130,970.73x = 196,291.72 × 56,002.70
4. Step 4: Simplify right side
   130,970.73x = 10,992,866,868.38
5. Step 5: Solve for x
   x = 10,992,866,868.38/130,970.73
6. Step 6: Final answer
   x = 83,933.77