Finding the Fourth Proportional to 1,947,980,498.38, 2,921,929,809.99 and 474,128,530.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,947,980,498.38 : 2,921,929,809.99 = 474,128,530.06 : x
2. Step 2: Convert to fraction form
   1,947,980,498.38/2,921,929,809.99 = 474,128,530.06/x
3. Step 3: Cross multiply
   1,947,980,498.38x = 2,921,929,809.99 × 474,128,530.06
4. Step 4: Simplify right side
   1,947,980,498.38x = 1,385,370,285,749,053,696
5. Step 5: Solve for x
   x = 1,385,370,285,749,053,696/1,947,980,498.38
6. Step 6: Final answer
   x = 711,182,831.09