Finding the Fourth Proportional to 23,012,931.12, 31,758,518.23 and 12,559,617.91

Step by Step Solution

1. Step 1: Write the proportion equation
   23,012,931.12 : 31,758,518.23 = 12,559,617.91 : x
2. Step 2: Convert to fraction form
   23,012,931.12/31,758,518.23 = 12,559,617.91/x
3. Step 3: Cross multiply
   23,012,931.12x = 31,758,518.23 × 12,559,617.91
4. Step 4: Simplify right side
   23,012,931.12x = 398,874,854,356,569.50
5. Step 5: Solve for x
   x = 398,874,854,356,569.50/23,012,931.12
6. Step 6: Final answer
   x = 17,332,640.17