Finding the Fourth Proportional to 104,439.08, 144,073.52 and 70,404.50

Step by Step Solution

1. Step 1: Write the proportion equation
   104,439.08 : 144,073.52 = 70,404.50 : x
2. Step 2: Convert to fraction form
   104,439.08/144,073.52 = 70,404.50/x
3. Step 3: Cross multiply
   104,439.08x = 144,073.52 × 70,404.50
4. Step 4: Simplify right side
   104,439.08x = 10,143,424,411.02
5. Step 5: Solve for x
   x = 10,143,424,411.02/104,439.08
6. Step 6: Final answer
   x = 97,122.88