Finding the Fourth Proportional to 105,042,836.92, 144,983,301.42 and 61,596,769.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105,042,836.92 : 144,983,301.42 = 61,596,769.72 : x
2. Step 2: Convert to fraction form
   105,042,836.92/144,983,301.42 = 61,596,769.72/x
3. Step 3: Cross multiply
   105,042,836.92x = 144,983,301.42 × 61,596,769.72
4. Step 4: Simplify right side
   105,042,836.92x = 8,930,503,030,813,088
5. Step 5: Solve for x
   x = 8,930,503,030,813,088/105,042,836.92
6. Step 6: Final answer
   x = 85,017,725.08