Finding the Fourth Proportional to 10,876,642.56, 16,307,136 and 5,116,155.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,876,642.56 : 16,307,136 = 5,116,155.84 : x
2. Step 2: Convert to fraction form
   10,876,642.56/16,307,136 = 5,116,155.84/x
3. Step 3: Cross multiply
   10,876,642.56x = 16,307,136 × 5,116,155.84
4. Step 4: Simplify right side
   10,876,642.56x = 83,429,849,080,074.23
5. Step 5: Solve for x
   x = 83,429,849,080,074.23/10,876,642.56
6. Step 6: Final answer
   x = 7,670,551.70