Finding the Fourth Proportional to 70,106.63, 105,160.16 and 17,516.12

Step by Step Solution

1. Step 1: Write the proportion equation
   70,106.63 : 105,160.16 = 17,516.12 : x
2. Step 2: Convert to fraction form
   70,106.63/105,160.16 = 17,516.12/x
3. Step 3: Cross multiply
   70,106.63x = 105,160.16 × 17,516.12
4. Step 4: Simplify right side
   70,106.63x = 1,841,997,499.77
5. Step 5: Solve for x
   x = 1,841,997,499.77/70,106.63
6. Step 6: Final answer
   x = 26,274.23