Finding the Fourth Proportional to 8,555,656,111.76, 12,824,426,538.72 and 2,877,839,536.40

Step by Step Solution

1. Step 1: Write the proportion equation
   8,555,656,111.76 : 12,824,426,538.72 = 2,877,839,536.40 : x
2. Step 2: Convert to fraction form
   8,555,656,111.76/12,824,426,538.72 = 2,877,839,536.40/x
3. Step 3: Cross multiply
   8,555,656,111.76x = 12,824,426,538.72 × 2,877,839,536.40
4. Step 4: Simplify right side
   8,555,656,111.76x = 36,906,641,724,785,819,648
5. Step 5: Solve for x
   x = 36,906,641,724,785,819,648/8,555,656,111.76
6. Step 6: Final answer
   x = 4,313,712,618.03