Finding the Fourth Proportional to 123,343.16, 185,088.55 and 53,222.47

Step by Step Solution

1. Step 1: Write the proportion equation
   123,343.16 : 185,088.55 = 53,222.47 : x
2. Step 2: Convert to fraction form
   123,343.16/185,088.55 = 53,222.47/x
3. Step 3: Cross multiply
   123,343.16x = 185,088.55 × 53,222.47
4. Step 4: Simplify right side
   123,343.16x = 9,850,869,799.72
5. Step 5: Solve for x
   x = 9,850,869,799.72/123,343.16
6. Step 6: Final answer
   x = 79,865.55