Finding the Fourth Proportional to 9,709,753,413.84, 13,399,459,725.96 and 5,254,417,788.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,709,753,413.84 : 13,399,459,725.96 = 5,254,417,788.72 : x
2. Step 2: Convert to fraction form
   9,709,753,413.84/13,399,459,725.96 = 5,254,417,788.72/x
3. Step 3: Cross multiply
   9,709,753,413.84x = 13,399,459,725.96 × 5,254,417,788.72
4. Step 4: Simplify right side
   9,709,753,413.84x = 70,406,359,543,321,436,160
5. Step 5: Solve for x
   x = 70,406,359,543,321,436,160/9,709,753,413.84
6. Step 6: Final answer
   x = 7,251,096,556.48