Finding the Fourth Proportional to 6,426,693,499.86, 8,868,350,309.90 and 3,606,756,804.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,426,693,499.86 : 8,868,350,309.90 = 3,606,756,804.18 : x
2. Step 2: Convert to fraction form
   6,426,693,499.86/8,868,350,309.90 = 3,606,756,804.18/x
3. Step 3: Cross multiply
   6,426,693,499.86x = 8,868,350,309.90 × 3,606,756,804.18
4. Step 4: Simplify right side
   6,426,693,499.86x = 31,985,982,822,065,602,560
5. Step 5: Solve for x
   x = 31,985,982,822,065,602,560/6,426,693,499.86
6. Step 6: Final answer
   x = 4,977,051,235.25