Finding the Fourth Proportional to 9,865,012,770.96, 13,613,894,288.88 and 5,349,044,158.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,865,012,770.96 : 13,613,894,288.88 = 5,349,044,158.08 : x
2. Step 2: Convert to fraction form
   9,865,012,770.96/13,613,894,288.88 = 5,349,044,158.08/x
3. Step 3: Cross multiply
   9,865,012,770.96x = 13,613,894,288.88 × 5,349,044,158.08
4. Step 4: Simplify right side
   9,865,012,770.96x = 72,821,321,714,652,233,728
5. Step 5: Solve for x
   x = 72,821,321,714,652,233,728/9,865,012,770.96
6. Step 6: Final answer
   x = 7,381,776,730.08