Finding the Fourth Proportional to 22,965,893.64, 31,686,357.06 and 13,665,690.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,965,893.64 : 31,686,357.06 = 13,665,690.72 : x
2. Step 2: Convert to fraction form
   22,965,893.64/31,686,357.06 = 13,665,690.72/x
3. Step 3: Cross multiply
   22,965,893.64x = 31,686,357.06 × 13,665,690.72
4. Step 4: Simplify right side
   22,965,893.64x = 433,015,955,625,448.50
5. Step 5: Solve for x
   x = 433,015,955,625,448.50/22,965,893.64
6. Step 6: Final answer
   x = 18,854,740.09