Finding the Fourth Proportional to 11,993,733.24, 17,978,066.10 and 5,256,468.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,993,733.24 : 17,978,066.10 = 5,256,468.60 : x
2. Step 2: Convert to fraction form
   11,993,733.24/17,978,066.10 = 5,256,468.60/x
3. Step 3: Cross multiply
   11,993,733.24x = 17,978,066.10 × 5,256,468.60
4. Step 4: Simplify right side
   11,993,733.24x = 94,501,139,943,374.47
5. Step 5: Solve for x
   x = 94,501,139,943,374.47/11,993,733.24
6. Step 6: Final answer
   x = 7,879,209.75