Finding the Fourth Proportional to 60,929.20, 84,081.72 and 34,071.40

Step by Step Solution

1. Step 1: Write the proportion equation
   60,929.20 : 84,081.72 = 34,071.40 : x
2. Step 2: Convert to fraction form
   60,929.20/84,081.72 = 34,071.40/x
3. Step 3: Cross multiply
   60,929.20x = 84,081.72 × 34,071.40
4. Step 4: Simplify right side
   60,929.20x = 2,864,781,914.81
5. Step 5: Solve for x
   x = 2,864,781,914.81/60,929.20
6. Step 6: Final answer
   x = 47,018.21