Finding the Fourth Proportional to 1,122,014,462.10, 1,683,021,693.15 and 917,941,118.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,122,014,462.10 : 1,683,021,693.15 = 917,941,118.10 : x
2. Step 2: Convert to fraction form
   1,122,014,462.10/1,683,021,693.15 = 917,941,118.10/x
3. Step 3: Cross multiply
   1,122,014,462.10x = 1,683,021,693.15 × 917,941,118.10
4. Step 4: Simplify right side
   1,122,014,462.10x = 1,544,914,814,796,666,112
5. Step 5: Solve for x
   x = 1,544,914,814,796,666,112/1,122,014,462.10
6. Step 6: Final answer
   x = 1,376,911,677.15