Finding the Fourth Proportional to 1,582,422,196.80, 2,373,851,569.80 and 918,748,771.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,582,422,196.80 : 2,373,851,569.80 = 918,748,771.63 : x
2. Step 2: Convert to fraction form
   1,582,422,196.80/2,373,851,569.80 = 918,748,771.63/x
3. Step 3: Cross multiply
   1,582,422,196.80x = 2,373,851,569.80 × 918,748,771.63
4. Step 4: Simplify right side
   1,582,422,196.80x = 2,180,973,213,783,069,952
5. Step 5: Solve for x
   x = 2,180,973,213,783,069,952/1,582,422,196.80
6. Step 6: Final answer
   x = 1,378,249,886.91