Finding the Fourth Proportional to 12,549,498.56, 17,318,308.24 and 7,116,990.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,549,498.56 : 17,318,308.24 = 7,116,990.56 : x
2. Step 2: Convert to fraction form
   12,549,498.56/17,318,308.24 = 7,116,990.56/x
3. Step 3: Cross multiply
   12,549,498.56x = 17,318,308.24 × 7,116,990.56
4. Step 4: Simplify right side
   12,549,498.56x = 123,254,236,259,250.20
5. Step 5: Solve for x
   x = 123,254,236,259,250.20/12,549,498.56
6. Step 6: Final answer
   x = 9,821,447.10