Finding the Fourth Proportional to 51,992,769.59, 71,754,061.70 and 28,790,055.35

Step by Step Solution

1. Step 1: Write the proportion equation
   51,992,769.59 : 71,754,061.70 = 28,790,055.35 : x
2. Step 2: Convert to fraction form
   51,992,769.59/71,754,061.70 = 28,790,055.35/x
3. Step 3: Cross multiply
   51,992,769.59x = 71,754,061.70 × 28,790,055.35
4. Step 4: Simplify right side
   51,992,769.59x = 2,065,803,407,930,315.25
5. Step 5: Solve for x
   x = 2,065,803,407,930,315.25/51,992,769.59
6. Step 6: Final answer
   x = 39,732,513.27