Finding the Fourth Proportional to 53,529.02, 73,840.28 and 42,156.62

Step by Step Solution

1. Step 1: Write the proportion equation
   53,529.02 : 73,840.28 = 42,156.62 : x
2. Step 2: Convert to fraction form
   53,529.02/73,840.28 = 42,156.62/x
3. Step 3: Cross multiply
   53,529.02x = 73,840.28 × 42,156.62
4. Step 4: Simplify right side
   53,529.02x = 3,112,856,624.65
5. Step 5: Solve for x
   x = 3,112,856,624.65/53,529.02
6. Step 6: Final answer
   x = 58,152.69