Finding the Fourth Proportional to 2,111,877,857.55, 3,167,937,844.89 and 559,128,830.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,877,857.55 : 3,167,937,844.89 = 559,128,830.88 : x
2. Step 2: Convert to fraction form
   2,111,877,857.55/3,167,937,844.89 = 559,128,830.88/x
3. Step 3: Cross multiply
   2,111,877,857.55x = 3,167,937,844.89 × 559,128,830.88
4. Step 4: Simplify right side
   2,111,877,857.55x = 1,771,285,383,513,852,416
5. Step 5: Solve for x
   x = 1,771,285,383,513,852,416/2,111,877,857.55
6. Step 6: Final answer
   x = 838,725,297.10