Finding the Fourth Proportional to 69,923.52, 96,498.72 and 39,699.36

Step by Step Solution

1. Step 1: Write the proportion equation
   69,923.52 : 96,498.72 = 39,699.36 : x
2. Step 2: Convert to fraction form
   69,923.52/96,498.72 = 39,699.36/x
3. Step 3: Cross multiply
   69,923.52x = 96,498.72 × 39,699.36
4. Step 4: Simplify right side
   69,923.52x = 3,830,937,424.82
5. Step 5: Solve for x
   x = 3,830,937,424.82/69,923.52
6. Step 6: Final answer
   x = 54,787.54