Finding the Fourth Proportional to 51,558,636.60, 71,149,499.69 and 28,353,763.62

Step by Step Solution

1. Step 1: Write the proportion equation
   51,558,636.60 : 71,149,499.69 = 28,353,763.62 : x
2. Step 2: Convert to fraction form
   51,558,636.60/71,149,499.69 = 28,353,763.62/x
3. Step 3: Cross multiply
   51,558,636.60x = 71,149,499.69 × 28,353,763.62
4. Step 4: Simplify right side
   51,558,636.60x = 2,017,356,095,749,754.50
5. Step 5: Solve for x
   x = 2,017,356,095,749,754.50/51,558,636.60
6. Step 6: Final answer
   x = 39,127,413.54