Finding the Fourth Proportional to 3,870,853,601.32, 5,806,314,004.67 and 1,250,657,986.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870,853,601.32 : 5,806,314,004.67 = 1,250,657,986.49 : x
2. Step 2: Convert to fraction form
   3,870,853,601.32/5,806,314,004.67 = 1,250,657,986.49/x
3. Step 3: Cross multiply
   3,870,853,601.32x = 5,806,314,004.67 × 1,250,657,986.49
4. Step 4: Simplify right side
   3,870,853,601.32x = 7,261,712,982,003,973,120
5. Step 5: Solve for x
   x = 7,261,712,982,003,973,120/3,870,853,601.32
6. Step 6: Final answer
   x = 1,875,997,836.63