Finding the Fourth Proportional to 70,401.12, 105,602.10 and 17,810.58

Step by Step Solution

1. Step 1: Write the proportion equation
   70,401.12 : 105,602.10 = 17,810.58 : x
2. Step 2: Convert to fraction form
   70,401.12/105,602.10 = 17,810.58/x
3. Step 3: Cross multiply
   70,401.12x = 105,602.10 × 17,810.58
4. Step 4: Simplify right side
   70,401.12x = 1,880,834,650.22
5. Step 5: Solve for x
   x = 1,880,834,650.22/70,401.12
6. Step 6: Final answer
   x = 26,715.98