Finding the Fourth Proportional to 58,796.64, 81,149.04 and 42,933.60

Step by Step Solution

1. Step 1: Write the proportion equation
   58,796.64 : 81,149.04 = 42,933.60 : x
2. Step 2: Convert to fraction form
   58,796.64/81,149.04 = 42,933.60/x
3. Step 3: Cross multiply
   58,796.64x = 81,149.04 × 42,933.60
4. Step 4: Simplify right side
   58,796.64x = 3,484,020,423.74
5. Step 5: Solve for x
   x = 3,484,020,423.74/58,796.64
6. Step 6: Final answer
   x = 59,255.43