Finding the Fourth Proportional to 23,402,890.55, 32,296,940.78 and 12,948,736.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,402,890.55 : 32,296,940.78 = 12,948,736.82 : x
2. Step 2: Convert to fraction form
   23,402,890.55/32,296,940.78 = 12,948,736.82/x
3. Step 3: Cross multiply
   23,402,890.55x = 32,296,940.78 × 12,948,736.82
4. Step 4: Simplify right side
   23,402,890.55x = 418,204,586,025,117.12
5. Step 5: Solve for x
   x = 418,204,586,025,117.12/23,402,890.55
6. Step 6: Final answer
   x = 17,869,783.44