Finding the Fourth Proportional to 78,646,322.72, 108,487,480.32 and 49,226,580

Step by Step Solution

1. Step 1: Write the proportion equation
   78,646,322.72 : 108,487,480.32 = 49,226,580 : x
2. Step 2: Convert to fraction form
   78,646,322.72/108,487,480.32 = 49,226,580/x
3. Step 3: Cross multiply
   78,646,322.72x = 108,487,480.32 × 49,226,580
4. Step 4: Simplify right side
   78,646,322.72x = 5,340,467,628,970,905
5. Step 5: Solve for x
   x = 5,340,467,628,970,905/78,646,322.72
6. Step 6: Final answer
   x = 67,904,861.21