Finding the Fourth Proportional to 23,159,062.89, 31,959,404.42 and 13,235,780.03

Step by Step Solution

1. Step 1: Write the proportion equation
   23,159,062.89 : 31,959,404.42 = 13,235,780.03 : x
2. Step 2: Convert to fraction form
   23,159,062.89/31,959,404.42 = 13,235,780.03/x
3. Step 3: Cross multiply
   23,159,062.89x = 31,959,404.42 × 13,235,780.03
4. Step 4: Simplify right side
   23,159,062.89x = 423,007,646,566,953.81
5. Step 5: Solve for x
   x = 423,007,646,566,953.81/23,159,062.89
6. Step 6: Final answer
   x = 18,265,317.93