Finding the Fourth Proportional to 21,390,278,594.99, 32,089,116,168.27 and 7,225,347,501.05

Step by Step Solution

1. Step 1: Write the proportion equation
   21,390,278,594.99 : 32,089,116,168.27 = 7,225,347,501.05 : x
2. Step 2: Convert to fraction form
   21,390,278,594.99/32,089,116,168.27 = 7,225,347,501.05/x
3. Step 3: Cross multiply
   21,390,278,594.99x = 32,089,116,168.27 × 7,225,347,501.05
4. Step 4: Simplify right side
   21,390,278,594.99x = 231,855,015,317,152,366,592
5. Step 5: Solve for x
   x = 231,855,015,317,152,366,592/21,390,278,594.99
6. Step 6: Final answer
   x = 10,839,270,479.23