Finding the Fourth Proportional to 104,641.83, 144,459.15 and 70,829.01

Step by Step Solution

1. Step 1: Write the proportion equation
   104,641.83 : 144,459.15 = 70,829.01 : x
2. Step 2: Convert to fraction form
   104,641.83/144,459.15 = 70,829.01/x
3. Step 3: Cross multiply
   104,641.83x = 144,459.15 × 70,829.01
4. Step 4: Simplify right side
   104,641.83x = 10,231,898,579.94
5. Step 5: Solve for x
   x = 10,231,898,579.94/104,641.83
6. Step 6: Final answer
   x = 97,780.20