Finding the Fourth Proportional to 105,073.19, 144,899.85 and 70,695.37

Step by Step Solution

1. Step 1: Write the proportion equation
   105,073.19 : 144,899.85 = 70,695.37 : x
2. Step 2: Convert to fraction form
   105,073.19/144,899.85 = 70,695.37/x
3. Step 3: Cross multiply
   105,073.19x = 144,899.85 × 70,695.37
4. Step 4: Simplify right side
   105,073.19x = 10,243,748,508.69
5. Step 5: Solve for x
   x = 10,243,748,508.69/105,073.19
6. Step 6: Final answer
   x = 97,491.55