Finding the Fourth Proportional to 470,863,026.52, 649,748,741.96 and 272,637,900.10

Step by Step Solution

1. Step 1: Write the proportion equation
   470,863,026.52 : 649,748,741.96 = 272,637,900.10 : x
2. Step 2: Convert to fraction form
   470,863,026.52/649,748,741.96 = 272,637,900.10/x
3. Step 3: Cross multiply
   470,863,026.52x = 649,748,741.96 × 272,637,900.10
4. Step 4: Simplify right side
   470,863,026.52x = 177,146,132,600,591,200
5. Step 5: Solve for x
   x = 177,146,132,600,591,200/470,863,026.52
6. Step 6: Final answer
   x = 376,215,847.55