Finding the Fourth Proportional to 12,015,908.49, 18,024,970.82 and 3,928,925.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,015,908.49 : 18,024,970.82 = 3,928,925.59 : x
2. Step 2: Convert to fraction form
   12,015,908.49/18,024,970.82 = 3,928,925.59/x
3. Step 3: Cross multiply
   12,015,908.49x = 18,024,970.82 × 3,928,925.59
4. Step 4: Simplify right side
   12,015,908.49x = 70,818,769,094,056.66
5. Step 5: Solve for x
   x = 70,818,769,094,056.66/12,015,908.49
6. Step 6: Final answer
   x = 5,893,750.70