Finding the Fourth Proportional to 102,185.23, 153,233.15 and 51,553.10

Step by Step Solution

1. Step 1: Write the proportion equation
   102,185.23 : 153,233.15 = 51,553.10 : x
2. Step 2: Convert to fraction form
   102,185.23/153,233.15 = 51,553.10/x
3. Step 3: Cross multiply
   102,185.23x = 153,233.15 × 51,553.10
4. Step 4: Simplify right side
   102,185.23x = 7,899,644,034.59
5. Step 5: Solve for x
   x = 7,899,644,034.59/102,185.23
6. Step 6: Final answer
   x = 77,307.10