Finding the Fourth Proportional to 2,602,548,014.05, 3,904,316,854.13 and 856,254,145.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602,548,014.05 : 3,904,316,854.13 = 856,254,145.69 : x
2. Step 2: Convert to fraction form
   2,602,548,014.05/3,904,316,854.13 = 856,254,145.69/x
3. Step 3: Cross multiply
   2,602,548,014.05x = 3,904,316,854.13 × 856,254,145.69
4. Step 4: Simplify right side
   2,602,548,014.05x = 3,343,087,492,431,870,464
5. Step 5: Solve for x
   x = 3,343,087,492,431,870,464/2,602,548,014.05
6. Step 6: Final answer
   x = 1,284,544,021.62