Finding the Fourth Proportional to 123,047.10, 184,570.65 and 83,681.10

Step by Step Solution

1. Step 1: Write the proportion equation
   123,047.10 : 184,570.65 = 83,681.10 : x
2. Step 2: Convert to fraction form
   123,047.10/184,570.65 = 83,681.10/x
3. Step 3: Cross multiply
   123,047.10x = 184,570.65 × 83,681.10
4. Step 4: Simplify right side
   123,047.10x = 15,445,075,019.72
5. Step 5: Solve for x
   x = 15,445,075,019.72/123,047.10
6. Step 6: Final answer
   x = 125,521.65