Finding the Fourth Proportional to 1,784,818,942.21, 2,463,109,953.83 and 991,898,341.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784,818,942.21 : 2,463,109,953.83 = 991,898,341.39 : x
2. Step 2: Convert to fraction form
   1,784,818,942.21/2,463,109,953.83 = 991,898,341.39/x
3. Step 3: Cross multiply
   1,784,818,942.21x = 2,463,109,953.83 × 991,898,341.39
4. Step 4: Simplify right side
   1,784,818,942.21x = 2,443,154,677,865,176,576
5. Step 5: Solve for x
   x = 2,443,154,677,865,176,576/1,784,818,942.21
6. Step 6: Final answer
   x = 1,368,852,952.02