Finding the Fourth Proportional to 7,218,834,833.18, 10,820,609,875.89 and 2,428,177,097.98

Step by Step Solution

1. Step 1: Write the proportion equation
   7,218,834,833.18 : 10,820,609,875.89 = 2,428,177,097.98 : x
2. Step 2: Convert to fraction form
   7,218,834,833.18/10,820,609,875.89 = 2,428,177,097.98/x
3. Step 3: Cross multiply
   7,218,834,833.18x = 10,820,609,875.89 × 2,428,177,097.98
4. Step 4: Simplify right side
   7,218,834,833.18x = 26,274,357,086,812,307,456
5. Step 5: Solve for x
   x = 26,274,357,086,812,307,456/7,218,834,833.18
6. Step 6: Final answer
   x = 3,639,695,005.36