Finding the Fourth Proportional to 105,641, 145,784.58 and 60,929

Step by Step Solution

1. Step 1: Write the proportion equation
   105,641 : 145,784.58 = 60,929 : x
2. Step 2: Convert to fraction form
   105,641/145,784.58 = 60,929/x
3. Step 3: Cross multiply
   105,641x = 145,784.58 × 60,929
4. Step 4: Simplify right side
   105,641x = 8,882,508,674.82
5. Step 5: Solve for x
   x = 8,882,508,674.82/105,641
6. Step 6: Final answer
   x = 84,082.02