Finding the Fourth Proportional to 104,807.52, 144,629.82 and 57,061.02

Step by Step Solution

1. Step 1: Write the proportion equation
   104,807.52 : 144,629.82 = 57,061.02 : x
2. Step 2: Convert to fraction form
   104,807.52/144,629.82 = 57,061.02/x
3. Step 3: Cross multiply
   104,807.52x = 144,629.82 × 57,061.02
4. Step 4: Simplify right side
   104,807.52x = 8,252,725,051.62
5. Step 5: Solve for x
   x = 8,252,725,051.62/104,807.52
6. Step 6: Final answer
   x = 78,741.73