Finding the Fourth Proportional to 102,185.50, 153,056.71 and 49,484.47

Step by Step Solution

1. Step 1: Write the proportion equation
   102,185.50 : 153,056.71 = 49,484.47 : x
2. Step 2: Convert to fraction form
   102,185.50/153,056.71 = 49,484.47/x
3. Step 3: Cross multiply
   102,185.50x = 153,056.71 × 49,484.47
4. Step 4: Simplify right side
   102,185.50x = 7,573,930,106.68
5. Step 5: Solve for x
   x = 7,573,930,106.68/102,185.50
6. Step 6: Final answer
   x = 74,119.42