Finding the Fourth Proportional to 9,928,410,691.60, 14,897,002,410.42 and 5,205,603,470.14

Step by Step Solution

1. Step 1: Write the proportion equation
   9,928,410,691.60 : 14,897,002,410.42 = 5,205,603,470.14 : x
2. Step 2: Convert to fraction form
   9,928,410,691.60/14,897,002,410.42 = 5,205,603,470.14/x
3. Step 3: Cross multiply
   9,928,410,691.60x = 14,897,002,410.42 × 5,205,603,470.14
4. Step 4: Simplify right side
   9,928,410,691.60x = 77,547,887,442,366,300,160
5. Step 5: Solve for x
   x = 77,547,887,442,366,300,160/9,928,410,691.60
6. Step 6: Final answer
   x = 7,810,705,041.44