Finding the Fourth Proportional to 10,921,526,757.76, 15,071,599,626.24 and 5,909,164,202.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,921,526,757.76 : 15,071,599,626.24 = 5,909,164,202.56 : x
2. Step 2: Convert to fraction form
   10,921,526,757.76/15,071,599,626.24 = 5,909,164,202.56/x
3. Step 3: Cross multiply
   10,921,526,757.76x = 15,071,599,626.24 × 5,909,164,202.56
4. Step 4: Simplify right side
   10,921,526,757.76x = 89,060,556,986,694,090,752
5. Step 5: Solve for x
   x = 89,060,556,986,694,090,752/10,921,526,757.76
6. Step 6: Final answer
   x = 8,154,588,544.45