Finding the Fourth Proportional to 23,290,111.44, 32,140,478.42 and 13,366,202.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,290,111.44 : 32,140,478.42 = 13,366,202.78 : x
2. Step 2: Convert to fraction form
   23,290,111.44/32,140,478.42 = 13,366,202.78/x
3. Step 3: Cross multiply
   23,290,111.44x = 32,140,478.42 × 13,366,202.78
4. Step 4: Simplify right side
   23,290,111.44x = 429,596,151,780,400.62
5. Step 5: Solve for x
   x = 429,596,151,780,400.62/23,290,111.44
6. Step 6: Final answer
   x = 18,445,431.35