Finding the Fourth Proportional to 102,016.72, 153,065.58 and 45,841.60

Step by Step Solution

1. Step 1: Write the proportion equation
   102,016.72 : 153,065.58 = 45,841.60 : x
2. Step 2: Convert to fraction form
   102,016.72/153,065.58 = 45,841.60/x
3. Step 3: Cross multiply
   102,016.72x = 153,065.58 × 45,841.60
4. Step 4: Simplify right side
   102,016.72x = 7,016,771,092.13
5. Step 5: Solve for x
   x = 7,016,771,092.13/102,016.72
6. Step 6: Final answer
   x = 68,780.60