Finding the Fourth Proportional to 23,019.78, 34,528.86 and 7,437

Step by Step Solution

1. Step 1: Write the proportion equation
   23,019.78 : 34,528.86 = 7,437 : x
2. Step 2: Convert to fraction form
   23,019.78/34,528.86 = 7,437/x
3. Step 3: Cross multiply
   23,019.78x = 34,528.86 × 7,437
4. Step 4: Simplify right side
   23,019.78x = 256,791,131.82
5. Step 5: Solve for x
   x = 256,791,131.82/23,019.78
6. Step 6: Final answer
   x = 11,155.24