Finding the Fourth Proportional to 22,774,271.72, 31,428,425.58 and 12,320,284.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,774,271.72 : 31,428,425.58 = 12,320,284.76 : x
2. Step 2: Convert to fraction form
   22,774,271.72/31,428,425.58 = 12,320,284.76/x
3. Step 3: Cross multiply
   22,774,271.72x = 31,428,425.58 × 12,320,284.76
4. Step 4: Simplify right side
   22,774,271.72x = 387,207,152,704,068.12
5. Step 5: Solve for x
   x = 387,207,152,704,068.12/22,774,271.72
6. Step 6: Final answer
   x = 17,001,955.43