Finding the Fourth Proportional to 101,978.33, 152,914.96 and 45,770.25

Step by Step Solution

1. Step 1: Write the proportion equation
   101,978.33 : 152,914.96 = 45,770.25 : x
2. Step 2: Convert to fraction form
   101,978.33/152,914.96 = 45,770.25/x
3. Step 3: Cross multiply
   101,978.33x = 152,914.96 × 45,770.25
4. Step 4: Simplify right side
   101,978.33x = 6,998,955,431.72
5. Step 5: Solve for x
   x = 6,998,955,431.72/101,978.33
6. Step 6: Final answer
   x = 68,631.79