Finding the Fourth Proportional to 53,412.24, 73,787.04 and 42,156.48

Step by Step Solution

1. Step 1: Write the proportion equation
   53,412.24 : 73,787.04 = 42,156.48 : x
2. Step 2: Convert to fraction form
   53,412.24/73,787.04 = 42,156.48/x
3. Step 3: Cross multiply
   53,412.24x = 73,787.04 × 42,156.48
4. Step 4: Simplify right side
   53,412.24x = 3,110,601,876.02
5. Step 5: Solve for x
   x = 3,110,601,876.02/53,412.24
6. Step 6: Final answer
   x = 58,237.62