Finding the Fourth Proportional to 43,920,138.65, 65,487,550.73 and 42,713,469.59

Step by Step Solution

1. Step 1: Write the proportion equation
   43,920,138.65 : 65,487,550.73 = 42,713,469.59 : x
2. Step 2: Convert to fraction form
   43,920,138.65/65,487,550.73 = 42,713,469.59/x
3. Step 3: Cross multiply
   43,920,138.65x = 65,487,550.73 × 42,713,469.59
4. Step 4: Simplify right side
   43,920,138.65x = 2,797,200,506,088,432.50
5. Step 5: Solve for x
   x = 2,797,200,506,088,432.50/43,920,138.65
6. Step 6: Final answer
   x = 63,688,335.06