Finding the Fourth Proportional to 70,612.61, 105,867.59 and 33,153.39

Step by Step Solution

1. Step 1: Write the proportion equation
   70,612.61 : 105,867.59 = 33,153.39 : x
2. Step 2: Convert to fraction form
   70,612.61/105,867.59 = 33,153.39/x
3. Step 3: Cross multiply
   70,612.61x = 105,867.59 × 33,153.39
4. Step 4: Simplify right side
   70,612.61x = 3,509,869,333.86
5. Step 5: Solve for x
   x = 3,509,869,333.86/70,612.61
6. Step 6: Final answer
   x = 49,705.99