Finding the Fourth Proportional to 2,219,154,055.94, 3,329,208,132.88 and 645,288,714.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219,154,055.94 : 3,329,208,132.88 = 645,288,714.02 : x
2. Step 2: Convert to fraction form
   2,219,154,055.94/3,329,208,132.88 = 645,288,714.02/x
3. Step 3: Cross multiply
   2,219,154,055.94x = 3,329,208,132.88 × 645,288,714.02
4. Step 4: Simplify right side
   2,219,154,055.94x = 2,148,300,434,771,060,480
5. Step 5: Solve for x
   x = 2,148,300,434,771,060,480/2,219,154,055.94
6. Step 6: Final answer
   x = 968,071,788.00