Finding the Fourth Proportional to 11,871,495,262.37, 17,807,815,606.39 and 3,903,487,091.53

Step by Step Solution

1. Step 1: Write the proportion equation
   11,871,495,262.37 : 17,807,815,606.39 = 3,903,487,091.53 : x
2. Step 2: Convert to fraction form
   11,871,495,262.37/17,807,815,606.39 = 3,903,487,091.53/x
3. Step 3: Cross multiply
   11,871,495,262.37x = 17,807,815,606.39 × 3,903,487,091.53
4. Step 4: Simplify right side
   11,871,495,262.37x = 69,512,578,347,835,392,000
5. Step 5: Solve for x
   x = 69,512,578,347,835,392,000/11,871,495,262.37
6. Step 6: Final answer
   x = 5,855,418,952.00