Finding the Fourth Proportional to 105,320.52, 145,322.01 and 59,997.51

Step by Step Solution

1. Step 1: Write the proportion equation
   105,320.52 : 145,322.01 = 59,997.51 : x
2. Step 2: Convert to fraction form
   105,320.52/145,322.01 = 59,997.51/x
3. Step 3: Cross multiply
   105,320.52x = 145,322.01 × 59,997.51
4. Step 4: Simplify right side
   105,320.52x = 8,718,958,748.20
5. Step 5: Solve for x
   x = 8,718,958,748.20/105,320.52
6. Step 6: Final answer
   x = 82,785.00