Finding the Fourth Proportional to 42,264.78, 58,325.50 and 23,145.81

Step by Step Solution

1. Step 1: Write the proportion equation
   42,264.78 : 58,325.50 = 23,145.81 : x
2. Step 2: Convert to fraction form
   42,264.78/58,325.50 = 23,145.81/x
3. Step 3: Cross multiply
   42,264.78x = 58,325.50 × 23,145.81
4. Step 4: Simplify right side
   42,264.78x = 1,349,990,883.29
5. Step 5: Solve for x
   x = 1,349,990,883.29/42,264.78
6. Step 6: Final answer
   x = 31,941.27