Finding the Fourth Proportional to 1,309,157,523.93, 1,806,636,905.83 and 714,442,009.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,309,157,523.93 : 1,806,636,905.83 = 714,442,009.69 : x
2. Step 2: Convert to fraction form
   1,309,157,523.93/1,806,636,905.83 = 714,442,009.69/x
3. Step 3: Cross multiply
   1,309,157,523.93x = 1,806,636,905.83 × 714,442,009.69
4. Step 4: Simplify right side
   1,309,157,523.93x = 1,290,737,301,784,495,616
5. Step 5: Solve for x
   x = 1,290,737,301,784,495,616/1,309,157,523.93
6. Step 6: Final answer
   x = 985,929,712.95