Finding the Fourth Proportional to 69,141.60, 95,385.60 and 53,200.80

Step by Step Solution

1. Step 1: Write the proportion equation
   69,141.60 : 95,385.60 = 53,200.80 : x
2. Step 2: Convert to fraction form
   69,141.60/95,385.60 = 53,200.80/x
3. Step 3: Cross multiply
   69,141.60x = 95,385.60 × 53,200.80
4. Step 4: Simplify right side
   69,141.60x = 5,074,590,228.48
5. Step 5: Solve for x
   x = 5,074,590,228.48/69,141.60
6. Step 6: Final answer
   x = 73,394.17