Finding the Fourth Proportional to 12,900,077.84, 19,349,416.92 and 3,923,930

Step by Step Solution

1. Step 1: Write the proportion equation
   12,900,077.84 : 19,349,416.92 = 3,923,930 : x
2. Step 2: Convert to fraction form
   12,900,077.84/19,349,416.92 = 3,923,930/x
3. Step 3: Cross multiply
   12,900,077.84x = 19,349,416.92 × 3,923,930
4. Step 4: Simplify right side
   12,900,077.84x = 75,925,757,534,895.61
5. Step 5: Solve for x
   x = 75,925,757,534,895.61/12,900,077.84
6. Step 6: Final answer
   x = 5,885,682.12