Finding the Fourth Proportional to 123,938.10, 185,615.55 and 123,938.10

Step by Step Solution

1. Step 1: Write the proportion equation
   123,938.10 : 185,615.55 = 123,938.10 : x
2. Step 2: Convert to fraction form
   123,938.10/185,615.55 = 123,938.10/x
3. Step 3: Cross multiply
   123,938.10x = 185,615.55 × 123,938.10
4. Step 4: Simplify right side
   123,938.10x = 23,004,838,597.46
5. Step 5: Solve for x
   x = 23,004,838,597.46/123,938.10
6. Step 6: Final answer
   x = 185,615.55