Finding the Fourth Proportional to 162,209,200.32, 243,262,362.24 and 53,009,665.92

Step by Step Solution

1. Step 1: Write the proportion equation
   162,209,200.32 : 243,262,362.24 = 53,009,665.92 : x
2. Step 2: Convert to fraction form
   162,209,200.32/243,262,362.24 = 53,009,665.92/x
3. Step 3: Cross multiply
   162,209,200.32x = 243,262,362.24 × 53,009,665.92
4. Step 4: Simplify right side
   162,209,200.32x = 12,895,256,553,252,424
5. Step 5: Solve for x
   x = 12,895,256,553,252,424/162,209,200.32
6. Step 6: Final answer
   x = 79,497,688.96