Finding the Fourth Proportional to 20,900,196.84, 31,342,307.55 and 6,875,164.78

Step by Step Solution

1. Step 1: Write the proportion equation
   20,900,196.84 : 31,342,307.55 = 6,875,164.78 : x
2. Step 2: Convert to fraction form
   20,900,196.84/31,342,307.55 = 6,875,164.78/x
3. Step 3: Cross multiply
   20,900,196.84x = 31,342,307.55 × 6,875,164.78
4. Step 4: Simplify right side
   20,900,196.84x = 215,483,528,991,688.09
5. Step 5: Solve for x
   x = 215,483,528,991,688.09/20,900,196.84
6. Step 6: Final answer
   x = 10,310,119.60