Finding the Fourth Proportional to 9,871,499.29, 14,813,642.74 and 5,325,685.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,871,499.29 : 14,813,642.74 = 5,325,685.87 : x
2. Step 2: Convert to fraction form
   9,871,499.29/14,813,642.74 = 5,325,685.87/x
3. Step 3: Cross multiply
   9,871,499.29x = 14,813,642.74 × 5,325,685.87
4. Step 4: Simplify right side
   9,871,499.29x = 78,892,807,823,646.09
5. Step 5: Solve for x
   x = 78,892,807,823,646.09/9,871,499.29
6. Step 6: Final answer
   x = 7,991,978.27