Finding the Fourth Proportional to 22,916,488.96, 31,624,123.62 and 12,603,215.80

Step by Step Solution

1. Step 1: Write the proportion equation
   22,916,488.96 : 31,624,123.62 = 12,603,215.80 : x
2. Step 2: Convert to fraction form
   22,916,488.96/31,624,123.62 = 12,603,215.80/x
3. Step 3: Cross multiply
   22,916,488.96x = 31,624,123.62 × 12,603,215.80
4. Step 4: Simplify right side
   22,916,488.96x = 398,565,654,468,737.25
5. Step 5: Solve for x
   x = 398,565,654,468,737.25/22,916,488.96
6. Step 6: Final answer
   x = 17,392,090.70