Finding the Fourth Proportional to 60,010.05, 90,071.58 and 30,449.10

Step by Step Solution

1. Step 1: Write the proportion equation
   60,010.05 : 90,071.58 = 30,449.10 : x
2. Step 2: Convert to fraction form
   60,010.05/90,071.58 = 30,449.10/x
3. Step 3: Cross multiply
   60,010.05x = 90,071.58 × 30,449.10
4. Step 4: Simplify right side
   60,010.05x = 2,742,598,770.16
5. Step 5: Solve for x
   x = 2,742,598,770.16/60,010.05
6. Step 6: Final answer
   x = 45,702.32