Finding the Fourth Proportional to 42,031.86, 62,985.69 and 23,289.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,031.86 : 62,985.69 = 23,289.18 : x
2. Step 2: Convert to fraction form
   42,031.86/62,985.69 = 23,289.18/x
3. Step 3: Cross multiply
   42,031.86x = 62,985.69 × 23,289.18
4. Step 4: Simplify right side
   42,031.86x = 1,466,885,071.83
5. Step 5: Solve for x
   x = 1,466,885,071.83/42,031.86
6. Step 6: Final answer
   x = 34,899.36