Finding the Fourth Proportional to 21,254,658,155.98, 31,882,106,417.10 and 7,089,585,019.18

Step by Step Solution

1. Step 1: Write the proportion equation
   21,254,658,155.98 : 31,882,106,417.10 = 7,089,585,019.18 : x
2. Step 2: Convert to fraction form
   21,254,658,155.98/31,882,106,417.10 = 7,089,585,019.18/x
3. Step 3: Cross multiply
   21,254,658,155.98x = 31,882,106,417.10 × 7,089,585,019.18
4. Step 4: Simplify right side
   21,254,658,155.98x = 226,030,904,034,574,696,448
5. Step 5: Solve for x
   x = 226,030,904,034,574,696,448/21,254,658,155.98
6. Step 6: Final answer
   x = 10,634,417,282.83