Finding the Fourth Proportional to 11,012,733.95, 16,519,426.88 and 5,256,074.21

Step by Step Solution

1. Step 1: Write the proportion equation
   11,012,733.95 : 16,519,426.88 = 5,256,074.21 : x
2. Step 2: Convert to fraction form
   11,012,733.95/16,519,426.88 = 5,256,074.21/x
3. Step 3: Cross multiply
   11,012,733.95x = 16,519,426.88 × 5,256,074.21
4. Step 4: Simplify right side
   11,012,733.95x = 86,827,333,479,071.27
5. Step 5: Solve for x
   x = 86,827,333,479,071.27/11,012,733.95
6. Step 6: Final answer
   x = 7,884,266.88