Finding the Fourth Proportional to 104,642.83, 144,460.53 and 70,830.01

Step by Step Solution

1. Step 1: Write the proportion equation
   104,642.83 : 144,460.53 = 70,830.01 : x
2. Step 2: Convert to fraction form
   104,642.83/144,460.53 = 70,830.01/x
3. Step 3: Cross multiply
   104,642.83x = 144,460.53 × 70,830.01
4. Step 4: Simplify right side
   104,642.83x = 10,232,140,784.51
5. Step 5: Solve for x
   x = 10,232,140,784.51/104,642.83
6. Step 6: Final answer
   x = 97,781.58