Finding the Fourth Proportional to 129,870,317.29, 195,116,253.69 and 83,275,093.59

Step by Step Solution

1. Step 1: Write the proportion equation
   129,870,317.29 : 195,116,253.69 = 83,275,093.59 : x
2. Step 2: Convert to fraction form
   129,870,317.29/195,116,253.69 = 83,275,093.59/x
3. Step 3: Cross multiply
   129,870,317.29x = 195,116,253.69 × 83,275,093.59
4. Step 4: Simplify right side
   129,870,317.29x = 16,248,324,287,033,320
5. Step 5: Solve for x
   x = 16,248,324,287,033,320/129,870,317.29
6. Step 6: Final answer
   x = 125,111,916.46