Finding the Fourth Proportional to 11,111,158.98, 15,329,997.36 and 7,242,268.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,111,158.98 : 15,329,997.36 = 7,242,268.50 : x
2. Step 2: Convert to fraction form
   11,111,158.98/15,329,997.36 = 7,242,268.50/x
3. Step 3: Cross multiply
   11,111,158.98x = 15,329,997.36 × 7,242,268.50
4. Step 4: Simplify right side
   11,111,158.98x = 111,023,956,985,411.16
5. Step 5: Solve for x
   x = 111,023,956,985,411.16/11,111,158.98
6. Step 6: Final answer
   x = 9,992,113.08