Finding the Fourth Proportional to 2,108,602,991.16, 2,909,809,063.50 and 1,155,951,147.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,602,991.16 : 2,909,809,063.50 = 1,155,951,147.48 : x
2. Step 2: Convert to fraction form
   2,108,602,991.16/2,909,809,063.50 = 1,155,951,147.48/x
3. Step 3: Cross multiply
   2,108,602,991.16x = 2,909,809,063.50 × 1,155,951,147.48
4. Step 4: Simplify right side
   2,108,602,991.16x = 3,363,597,125,900,529,152
5. Step 5: Solve for x
   x = 3,363,597,125,900,529,152/2,108,602,991.16
6. Step 6: Final answer
   x = 1,595,178,011.22