Finding the Fourth Proportional to 23,123,442.58, 31,902,494.94 and 13,193,191.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,123,442.58 : 31,902,494.94 = 13,193,191.47 : x
2. Step 2: Convert to fraction form
   23,123,442.58/31,902,494.94 = 13,193,191.47/x
3. Step 3: Cross multiply
   23,123,442.58x = 31,902,494.94 × 13,193,191.47
4. Step 4: Simplify right side
   23,123,442.58x = 420,895,724,114,126.19
5. Step 5: Solve for x
   x = 420,895,724,114,126.19/23,123,442.58
6. Step 6: Final answer
   x = 18,202,122.05