Finding the Fourth Proportional to 70,374.15, 105,561.59 and 17,783.69

Step by Step Solution

1. Step 1: Write the proportion equation
   70,374.15 : 105,561.59 = 17,783.69 : x
2. Step 2: Convert to fraction form
   70,374.15/105,561.59 = 17,783.69/x
3. Step 3: Cross multiply
   70,374.15x = 105,561.59 × 17,783.69
4. Step 4: Simplify right side
   70,374.15x = 1,877,273,975.74
5. Step 5: Solve for x
   x = 1,877,273,975.74/70,374.15
6. Step 6: Final answer
   x = 26,675.62