Finding the Fourth Proportional to 13,269,789,551.32, 18,312,185,821.50 and 7,248,292,650.71

Step by Step Solution

1. Step 1: Write the proportion equation
   13,269,789,551.32 : 18,312,185,821.50 = 7,248,292,650.71 : x
2. Step 2: Convert to fraction form
   13,269,789,551.32/18,312,185,821.50 = 7,248,292,650.71/x
3. Step 3: Cross multiply
   13,269,789,551.32x = 18,312,185,821.50 × 7,248,292,650.71
4. Step 4: Simplify right side
   13,269,789,551.32x = 132,732,081,908,378,058,752
5. Step 5: Solve for x
   x = 132,732,081,908,378,058,752/13,269,789,551.32
6. Step 6: Final answer
   x = 10,002,576,257.53