Finding the Fourth Proportional to 31,658,362.05, 43,715,805.35 and 19,917,200.74

Step by Step Solution

1. Step 1: Write the proportion equation
   31,658,362.05 : 43,715,805.35 = 19,917,200.74 : x
2. Step 2: Convert to fraction form
   31,658,362.05/43,715,805.35 = 19,917,200.74/x
3. Step 3: Cross multiply
   31,658,362.05x = 43,715,805.35 × 19,917,200.74
4. Step 4: Simplify right side
   31,658,362.05x = 870,696,470,711,418.88
5. Step 5: Solve for x
   x = 870,696,470,711,418.88/31,658,362.05
6. Step 6: Final answer
   x = 27,502,890.69